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require_relative "spec_helper"
describe "A new Database" do
before do
@db = Sequel::Database.new(1 => 2, :logger => 3)
end
it "should not allow dup/clone" do
proc{@db.dup}.must_raise NoMethodError
proc{@db.clone}.must_raise NoMethodError
end
it "should receive options" do
@db.opts[1].must_equal 2
@db.opts[:logger].must_equal 3
end
it "should set the logger from opts[:logger] and opts[:loggers]" do
@db.loggers.must_equal [3]
Sequel::Database.new(1 => 2, :loggers => 3).loggers.must_equal [3]
Sequel::Database.new(1 => 2, :loggers => [3]).loggers.must_equal [3]
Sequel::Database.new(1 => 2, :logger => 4, :loggers => 3).loggers.must_equal [4,3]
Sequel::Database.new(1 => 2, :logger => [4], :loggers => [3]).loggers.must_equal [4,3]
end
it "should support :preconnect option to preconnect to database" do
@db.pool.size.must_equal 0
c = Class.new(Sequel::Database) do
def dataset_class_default; Sequel::Dataset end
def connect(_)
:connect
end
end
db = c.new(1 => 2, :logger => 3, :preconnect=>true)
db.pool.size.must_equal db.pool.max_size
db = c.new(1 => 2, :logger => 3, :preconnect=>:concurrently)
db.pool.size.must_equal db.pool.max_size
end
it "should handle the default string column size" do
@db.default_string_column_size.must_equal 255
db = Sequel::Database.new(:default_string_column_size=>50)
db.default_string_column_size.must_equal 50
db.default_string_column_size = 2
db.default_string_column_size.must_equal 2
end
it "should set the sql_log_level from opts[:sql_log_level]" do
Sequel::Database.new(1 => 2, :sql_log_level=>:debug).sql_log_level.must_equal :debug
Sequel::Database.new(1 => 2, :sql_log_level=>'debug').sql_log_level.must_equal :debug
end
it "should create a connection pool" do
@db.pool.must_be_kind_of(Sequel::ConnectionPool)
@db.pool.max_size.must_equal 4
Sequel::Database.new(:max_connections => 10).pool.max_size.must_equal 10
end
it "should have the connection pool use the connect method to get connections" do
cc = nil
d = Sequel::Database.new
d.define_singleton_method(:connect){|c| 1234}
d.synchronize {|c| cc = c}
cc.must_equal 1234
end
it "should not add the instance to Sequel::DATABASES if testing the connection during initialization fails" do
c = Class.new(Sequel::Database) do
def connect(*) raise end
end
num_dbs = Sequel::DATABASES.size
proc{c.new}.must_raise Sequel::DatabaseConnectionError
Sequel::DATABASES.size.must_equal num_dbs
db = c.new(:test=>false)
Sequel::DATABASES.size.must_equal(num_dbs+1)
Sequel::DATABASES[-1].must_equal db
end
it "should respect the :single_threaded option" do
db = Sequel::Database.new(:single_threaded=>true){123}
db.pool.must_be_kind_of(Sequel::SingleConnectionPool)
db = Sequel::Database.new(:single_threaded=>'t'){123}
db.pool.must_be_kind_of(Sequel::SingleConnectionPool)
db = Sequel::Database.new(:single_threaded=>'1'){123}
db.pool.must_be_kind_of(Sequel::SingleConnectionPool)
db = Sequel::Database.new(:single_threaded=>false){123}
db.pool.must_be_kind_of(Sequel::ConnectionPool)
db = Sequel::Database.new(:single_threaded=>'f'){123}
db.pool.must_be_kind_of(Sequel::ConnectionPool)
db = Sequel::Database.new(:single_threaded=>'0'){123}
db.pool.must_be_kind_of(Sequel::ConnectionPool)
end
it "should just use a :uri option for jdbc with the full connection string" do
db = Sequel::Database.stub(:adapter_class, Class.new(Sequel::Database){def connect(*); Object.new end}) do
Sequel.connect('jdbc:test://host/db_name')
end
db.must_be_kind_of(Sequel::Database)
db.opts[:uri].must_equal 'jdbc:test://host/db_name'
end
it "should populate :adapter option when using connection string" do
Sequel.connect('mock:/').opts[:adapter].must_equal "mock"
end
it "should respect the :keep_reference option for not keeping a reference in Sequel::DATABASES" do
db = Sequel.connect('mock:///?keep_reference=f')
Sequel::DATABASES.wont_include(db)
end
it 'should strip square brackets for ipv6 hosts' do
Sequel.connect('mock://[::1]').opts[:host].must_equal "::1"
end
it 'should ignore options for with empty key' do
Sequel.connect('mock:///?=foo').opts.has_key?(:"").must_equal false
end
it 'should translate username option into user' do
Sequel.connect('mock:///?username=foo').opts[:user].must_equal 'foo'
end
it 'should setup a shared database if servers key is given' do
db = Sequel.connect('mock:///?servers=t')
db.opts[:servers].must_equal({})
db.sharded?.must_equal true
end
it "should not keep a reference if initialization fails" do
length = Sequel::DATABASES.length
klass = Class.new(Sequel::Database.adapter_class('mock')) do
def initialize_load_extensions(_)
raise ArgumentError
end
end
proc{Sequel.connect(:adapter_class=>klass)}.must_raise ArgumentError
Sequel::DATABASES.length.must_equal length
proc{Sequel.connect(:adapter_class=>klass, :keep_reference=>false)}.must_raise ArgumentError
Sequel::DATABASES.length.must_equal length
proc{Sequel.connect(:adapter_class=>klass){}}.must_raise ArgumentError
Sequel::DATABASES.length.must_equal length
proc{Sequel.connect(:adapter_class=>klass, :keep_reference=>false){}}.must_raise ArgumentError
Sequel::DATABASES.length.must_equal length
end
it ".adapter_class should return the class of the adapter" do
klass = Sequel::Database.adapter_class('mock')
klass.must_be_same_as(Sequel::Database.adapter_class(klass))
end
it 'should log exceptions without messages correctly' do
logger = []
def logger.error(x) self << x end
db = Sequel::Database.new
db.loggers << logger
e = Sequel::Error.new
def e.message; end
db.log_exception(e, 'x')
logger.must_equal ["Sequel::Error: : x"]
end
end
describe "Database :connect_sqls option" do
it "should issue the each sql query for each new connection" do
db = Sequel.mock(:connect_sqls=>['SELECT 1', 'SELECT 2'])
db.sqls.must_equal ['SELECT 1', 'SELECT 2']
db['SELECT 3'].get
db.sqls.must_equal ['SELECT 3']
db.disconnect
db['SELECT 3'].get
db.sqls.must_equal ['SELECT 1', 'SELECT 2', 'SELECT 3']
end
end
describe "Database#freeze" do
before do
@db = Sequel.mock.freeze
end
it "should freeze internal structures" do
@db.instance_exec do
frozen?.must_equal true
opts.frozen?.must_equal true
pool.frozen?.must_equal true
loggers.frozen?.must_equal true
@dataset_class.frozen?.must_equal true
@dataset_modules.frozen?.must_equal true
@schema_type_classes.frozen?.must_equal true
from(:a).frozen?.must_equal true
metadata_dataset.frozen?.must_equal true
end
proc{@db.extend_datasets{}}.must_raise RuntimeError, TypeError
end
end
describe "Database#disconnect" do
it "should call pool.disconnect" do
d = Sequel::Database.new
p = d.pool
def p.disconnect(h)
raise unless h == {}
2
end
d.disconnect.must_equal 2
end
end
describe "Sequel.extension" do
it "should attempt to load the given extension" do
proc{Sequel.extension :blah}.must_raise(LoadError)
end
end
describe "Database#log_info" do
before do
@o = Object.new
def @o.logs; @logs || []; end
def @o.to_ary; [self]; end
def @o.method_missing(*args); (@logs ||= []) << args; end
@db = Sequel::Database.new(:logger=>@o)
end
it "should log message at info level to all loggers" do
@db.log_info('blah')
@o.logs.must_equal [[:info, 'blah']]
end
it "should log message with args at info level to all loggers" do
@db.log_info('blah', [1, 2])
@o.logs.must_equal [[:info, 'blah; [1, 2]']]
end
end
describe "Database#log_connection_yield" do
before do
@o = Object.new
def @o.logs; @logs || []; end
def @o.to_ary; [self]; end
def @o.warn(*args); (@logs ||= []) << [:warn] + args; end
def @o.method_missing(*args); (@logs ||= []) << args; end
@conn = Object.new
@db = Sequel::Database.new(:logger=>@o)
end
it "should log SQL to the loggers" do
@db.log_connection_yield("some SQL", @conn){}
@o.logs.length.must_equal 1
@o.logs.first.length.must_equal 2
@o.logs.first.first.must_equal :info
@o.logs.first.last.must_match(/some SQL\z/)
@o.logs.first.last.wont_match(/\(conn: -?\d+\) some SQL\z/)
end
it "should include connection information when logging" do
@db.log_connection_info = true
@db.log_connection_yield("some SQL", @conn){}
@o.logs.length.must_equal 1
@o.logs.first.length.must_equal 2
@o.logs.first.first.must_equal :info
@o.logs.first.last.must_match(/\(conn: -?\d+\) some SQL\z/)
end
it "should yield to the passed block" do
a = nil
@db.log_connection_yield('blah', @conn){a = 1}
a.must_equal 1
end
it "should raise an exception if a block is not passed" do
proc{@db.log_connection_yield('blah', @conn)}.must_raise LocalJumpError
end
it "should log message with duration at info level to all loggers" do
@db.log_connection_yield('blah', @conn){}
@o.logs.length.must_equal 1
@o.logs.first.length.must_equal 2
@o.logs.first.first.must_equal :info
@o.logs.first.last.must_match(/\A\(\d\.\d{6}s\) blah\z/)
end
it "should respect sql_log_level setting" do
@db.sql_log_level = :debug
@db.log_connection_yield('blah', @conn){}
@o.logs.length.must_equal 1
@o.logs.first.length.must_equal 2
@o.logs.first.first.must_equal :debug
@o.logs.first.last.must_match(/\A\(\d\.\d{6}s\) blah\z/)
end
it "should log message with duration at warn level if duration greater than log_warn_duration" do
@db.log_warn_duration = 0
@db.log_connection_yield('blah', @conn){}
@o.logs.length.must_equal 1
@o.logs.first.length.must_equal 2
@o.logs.first.first.must_equal :warn
@o.logs.first.last.must_match(/\A\(\d\.\d{6}s\) blah\z/)
end
it "should log message with duration at info level if duration less than log_warn_duration" do
@db.log_warn_duration = 1000
@db.log_connection_yield('blah', @conn){}
@o.logs.length.must_equal 1
@o.logs.first.length.must_equal 2
@o.logs.first.first.must_equal :info
@o.logs.first.last.must_match(/\A\(\d\.\d{6}s\) blah\z/)
end
it "should log message at error level if block raises an error" do
@db.log_warn_duration = 0
proc{@db.log_connection_yield('blah', @conn){raise Sequel::Error, 'adsf'}}.must_raise Sequel::Error
@o.logs.length.must_equal 1
@o.logs.first.length.must_equal 2
@o.logs.first.first.must_equal :error
@o.logs.first.last.must_match(/\ASequel::Error: adsf: blah\z/)
end
it "should include args with message if args passed" do
@db.log_connection_yield('blah', @conn, [1, 2]){}
@o.logs.length.must_equal 1
@o.logs.first.length.must_equal 2
@o.logs.first.first.must_equal :info
@o.logs.first.last.must_match(/\A\(\d\.\d{6}s\) blah; \[1, 2\]\z/)
end
it "should log without a logger defined by forcing skip_logging? to return false" do
@db.logger = nil
@db.extend(Module.new do
def skip_logging?
false
end
def log_duration(*)
self.did_log = true
end
attr_accessor :did_log
end)
@db.log_connection_yield('some sql', @conn) {}
@db.did_log.must_equal true
end
end
describe "Database#uri" do
before do
@c = Class.new(Sequel::Database) do
def dataset_class_default; Sequel::Dataset end
def connect(*); Object.new end
set_adapter_scheme :mau
end
@db = Sequel.connect('mau://user:pass@localhost:9876/maumau')
end
it "should return the connection URI for the database" do
@db.uri.must_equal 'mau://user:pass@localhost:9876/maumau'
end
it "should return nil if a connection uri was not used" do
Sequel.mock.uri.must_be_nil
end
it "should be aliased as #url" do
@db.url.must_equal 'mau://user:pass@localhost:9876/maumau'
end
end
describe "Database.adapter_scheme and #adapter_scheme" do
it "should return the database scheme" do
Sequel::Database.adapter_scheme.must_be_nil
@c = Class.new(Sequel::Database) do
def dataset_class_default; Sequel::Dataset end
set_adapter_scheme :mau
end
@c.adapter_scheme.must_equal :mau
@c.new({}).adapter_scheme.must_equal :mau
end
end
describe "Database#dataset" do
before do
@db = Sequel.mock
@ds = @db.dataset
end
it "should provide a blank dataset through #dataset" do
@ds.must_be_kind_of(Sequel::Dataset)
@ds.opts.must_equal({})
@ds.db.must_be_same_as(@db)
end
it "should provide a #from dataset" do
d = @db.from(:mau)
d.must_be_kind_of(Sequel::Dataset)
d.sql.must_equal 'SELECT * FROM mau'
e = @db[:miu]
e.must_be_kind_of(Sequel::Dataset)
e.sql.must_equal 'SELECT * FROM miu'
end
it "should provide a #from dataset that supports virtual row blocks" do
@db.from{a(b)}.sql.must_equal 'SELECT * FROM a(b)'
end
it "should provide a #select dataset" do
d = @db.select(:a, :b, :c).from(:mau)
d.must_be_kind_of(Sequel::Dataset)
d.sql.must_equal 'SELECT a, b, c FROM mau'
end
it "should allow #select to take a block" do
d = @db.select(:a, :b){c}.from(:mau)
d.must_be_kind_of(Sequel::Dataset)
d.sql.must_equal 'SELECT a, b, c FROM mau'
end
end
describe "Database#dataset_class" do
before do
@db = Sequel::Database.new
@dsc = Class.new(Sequel::Dataset)
end
it "should have setter set the class to use to create datasets" do
@db.dataset_class = @dsc
ds = @db.dataset
ds.must_be_kind_of(@dsc)
ds.opts.must_equal({})
ds.db.must_be_same_as(@db)
end
it "should have getter return the class to use to create datasets" do
[@db.dataset_class, @db.dataset_class.superclass].must_include(Sequel::Dataset)
@db.dataset_class = @dsc
[@db.dataset_class, @db.dataset_class.superclass].must_include(@dsc)
end
end
describe "Database#extend_datasets" do
before do
@db = Sequel::Database.new
@m = Module.new{def foo() [3] end}
@m2 = Module.new{def foo() [4] + super end}
@db.extend_datasets(@m)
end
it "should clear a cached dataset" do
@db = Sequel::Database.new
@db.literal(1).must_equal '1'
@db.extend_datasets{def literal(v) '2' end}
@db.literal(1).must_equal '2'
end
it "should change the dataset class to a subclass the first time it is called" do
@db.dataset_class.superclass.must_equal Sequel::Dataset
end
it "should not create a subclass of the dataset class if called more than once" do
@db.extend_datasets(@m2)
@db.dataset_class.superclass.must_equal Sequel::Dataset
end
it "should make the dataset class include the module" do
@db.dataset_class.ancestors.must_include(@m)
@db.dataset_class.ancestors.wont_include(@m2)
@db.extend_datasets(@m2)
@db.dataset_class.ancestors.must_include(@m)
@db.dataset_class.ancestors.must_include(@m2)
end
it "should have datasets respond to the module's methods" do
@db.dataset.foo.must_equal [3]
@db.extend_datasets(@m2)
@db.dataset.foo.must_equal [4, 3]
end
it "should take a block and create a module from it to use" do
@db.dataset.foo.must_equal [3]
@db.extend_datasets{def foo() [5] + super end}
@db.dataset.foo.must_equal [5, 3]
end
it "should raise an error if both a module and a block are provided" do
proc{@db.extend_datasets(@m2){def foo() [5] + super end}}.must_raise(Sequel::Error)
end
it "should be able to override methods defined in the original Dataset class" do
@db.extend_datasets do
def select(*a, &block) super.order(*a, &block) end
def input_identifier(v) v.to_s end
end
@db[:t].with_quote_identifiers(false).select(:a, :b).sql.must_equal 'SELECT a, b FROM t ORDER BY a, b'
end
it "should reapply settings if dataset_class is changed" do
c = Class.new(Sequel::Dataset)
@db.dataset_class = c
@db.dataset_class.superclass.must_equal c
@db.dataset_class.ancestors.must_include(@m)
@db.dataset.foo.must_equal [3]
end
end
describe "Database#extend_datasets custom methods" do
before do
@db = Sequel.mock
end
def ds
@db[:items]
end
it "should have dataset_module support a where method" do
@db.extend_datasets{where :released, :released}
ds.released.sql.must_equal 'SELECT * FROM items WHERE released'
ds.where(:foo).released.sql.must_equal 'SELECT * FROM items WHERE (foo AND released)'
end
it "should have dataset_module support a having method" do
@db.extend_datasets{having(:released){released}}
ds.released.sql.must_equal 'SELECT * FROM items HAVING released'
ds.where(:foo).released.sql.must_equal 'SELECT * FROM items WHERE foo HAVING released'
end
it "should have dataset_module support an exclude method" do
@db.extend_datasets{exclude :released, :released}
ds.released.sql.must_equal 'SELECT * FROM items WHERE NOT released'
ds.where(:foo).released.sql.must_equal 'SELECT * FROM items WHERE (foo AND NOT released)'
end
it "should have dataset_module support an exclude_having method" do
@db.extend_datasets{exclude_having :released, :released}
ds.released.sql.must_equal 'SELECT * FROM items HAVING NOT released'
ds.where(:foo).released.sql.must_equal 'SELECT * FROM items WHERE foo HAVING NOT released'
end
it "should have dataset_module support a distinct method" do
@db.extend_datasets{def supports_distinct_on?; true end; distinct :foo, :baz}
ds.foo.sql.must_equal 'SELECT DISTINCT ON (baz) * FROM items'
ds.where(:bar).foo.sql.must_equal 'SELECT DISTINCT ON (baz) * FROM items WHERE bar'
end
it "should have dataset_module support a grep method" do
@db.extend_datasets{grep :foo, :baz, 'quux%'}
ds.foo.sql.must_equal 'SELECT * FROM items WHERE ((baz LIKE \'quux%\' ESCAPE \'\\\'))'
ds.where(:bar).foo.sql.must_equal 'SELECT * FROM items WHERE (bar AND ((baz LIKE \'quux%\' ESCAPE \'\\\')))'
end
it "should have dataset_module support a group method" do
@db.extend_datasets{group :foo, :baz}
ds.foo.sql.must_equal 'SELECT * FROM items GROUP BY baz'
ds.where(:bar).foo.sql.must_equal 'SELECT * FROM items WHERE bar GROUP BY baz'
end
it "should have dataset_module support a group_and_count method" do
@db.extend_datasets{group_and_count :foo, :baz}
ds.foo.sql.must_equal 'SELECT baz, count(*) AS count FROM items GROUP BY baz'
ds.where(:bar).foo.sql.must_equal 'SELECT baz, count(*) AS count FROM items WHERE bar GROUP BY baz'
end
it "should have dataset_module support a group_append method" do
@db.extend_datasets{group_append :foo, :baz}
ds.foo.sql.must_equal 'SELECT * FROM items GROUP BY baz'
ds.group(:bar).foo.sql.must_equal 'SELECT * FROM items GROUP BY bar, baz'
end
it "should have dataset_module support a limit method" do
@db.extend_datasets{limit :foo, 1}
ds.foo.sql.must_equal 'SELECT * FROM items LIMIT 1'
ds.where(:bar).foo.sql.must_equal 'SELECT * FROM items WHERE bar LIMIT 1'
end
it "should have dataset_module support a offset method" do
@db.extend_datasets{offset :foo, 1}
ds.foo.sql.must_equal 'SELECT * FROM items OFFSET 1'
ds.where(:bar).foo.sql.must_equal 'SELECT * FROM items WHERE bar OFFSET 1'
end
it "should have dataset_module support a order method" do
@db.extend_datasets{order(:foo){:baz}}
ds.foo.sql.must_equal 'SELECT * FROM items ORDER BY baz'
ds.where(:bar).foo.sql.must_equal 'SELECT * FROM items WHERE bar ORDER BY baz'
end
it "should have dataset_module support a order_append method" do
@db.extend_datasets{order_append :foo, :baz}
ds.foo.sql.must_equal 'SELECT * FROM items ORDER BY baz'
ds.order(:bar).foo.sql.must_equal 'SELECT * FROM items ORDER BY bar, baz'
end
it "should have dataset_module support a order_prepend method" do
@db.extend_datasets{order_prepend :foo, :baz}
ds.foo.sql.must_equal 'SELECT * FROM items ORDER BY baz'
ds.order(:bar).foo.sql.must_equal 'SELECT * FROM items ORDER BY baz, bar'
end
it "should have dataset_module support a reverse method" do
@db.extend_datasets{reverse(:foo){:baz}}
ds.foo.sql.must_equal 'SELECT * FROM items ORDER BY baz DESC'
ds.where(:bar).foo.sql.must_equal 'SELECT * FROM items WHERE bar ORDER BY baz DESC'
end
it "should have dataset_module support a select method" do
@db.extend_datasets{select :foo, :baz}
ds.foo.sql.must_equal 'SELECT baz FROM items'
ds.where(:bar).foo.sql.must_equal 'SELECT baz FROM items WHERE bar'
end
it "should have dataset_module support a select_all method" do
@db.extend_datasets{select_all :foo, :baz}
ds.foo.sql.must_equal 'SELECT baz.* FROM items'
ds.where(:bar).foo.sql.must_equal 'SELECT baz.* FROM items WHERE bar'
end
it "should have dataset_module support a select_append method" do
@db.extend_datasets{select_append :foo, :baz}
ds.foo.sql.must_equal 'SELECT *, baz FROM items'
ds.where(:bar).foo.sql.must_equal 'SELECT *, baz FROM items WHERE bar'
end
it "should have dataset_module support a select_group method" do
@db.extend_datasets{select_group :foo, :baz}
ds.foo.sql.must_equal 'SELECT baz FROM items GROUP BY baz'
ds.where(:bar).foo.sql.must_equal 'SELECT baz FROM items WHERE bar GROUP BY baz'
end
it "should have dataset_module support a server method" do
@db.extend_datasets{server :foo, :baz}
ds.foo.opts[:server].must_equal :baz
ds.where(:bar).foo.opts[:server].must_equal :baz
end
end
describe "Database#disconnect_connection" do
it "should call close on the connection" do
o = Object.new
def o.close() @closed=true end
Sequel::Database.new.disconnect_connection(o)
o.instance_variable_get(:@closed).must_equal true
end
end
describe "Database#valid_connection?" do
it "should issue a query to validate the connection" do
db = Sequel.mock
db.synchronize{|c| db.valid_connection?(c)}.must_equal true
db.synchronize do |c|
def c.execute(*) raise Sequel::DatabaseError, "error" end
db.valid_connection?(c)
end.must_equal false
end
end
describe "Database#run" do
before do
@db = Sequel.mock(:servers=>{:s1=>{}})
end
it "should execute the code on the database" do
@db.run("DELETE FROM items")
@db.sqls.must_equal ["DELETE FROM items"]
end
it "should handle placeholder literal strings" do
@db.run(Sequel.lit("DELETE FROM ?", :items))
@db.sqls.must_equal ["DELETE FROM items"]
end
it "should return nil" do
@db.run("DELETE FROM items").must_be_nil
end
it "should accept options passed to execute_ddl" do
@db.run("DELETE FROM items", :server=>:s1)
@db.sqls.must_equal ["DELETE FROM items -- s1"]
end
end
describe "Database#<<" do
before do
@db = Sequel.mock
end
it "should execute the code on the database" do
@db << "DELETE FROM items"
@db.sqls.must_equal ["DELETE FROM items"]
end
it "should handle placeholder literal strings" do
@db << Sequel.lit("DELETE FROM ?", :items)
@db.sqls.must_equal ["DELETE FROM items"]
end
it "should be chainable" do
@db << "DELETE FROM items" << "DELETE FROM items2"
@db.sqls.must_equal ["DELETE FROM items", "DELETE FROM items2"]
end
end
describe "Database#synchronize" do
before do
@db = Sequel::Database.new(:max_connections => 1)
@db.define_singleton_method(:connect){|c| 12345}
end
it "should wrap the supplied block in pool.hold" do
q, q1, q2 = Queue.new, Queue.new, Queue.new
c1, c2 = nil
t1 = Thread.new{@db.synchronize{|c| c1 = c; q.push nil; q1.pop}; q.push nil}
q.pop
c1.must_equal 12345
t2 = Thread.new{@db.synchronize{|c| c2 = c; q2.push nil}}
@db.pool.available_connections.must_be :empty?
c2.must_be_nil
q1.push nil
q.pop
q2.pop
c2.must_equal 12345
t1.join
t2.join
end
end
describe "Database#test_connection" do
before do
@db = Sequel::Database.new
pr = proc{@test = rand(100)}
@db.define_singleton_method(:connect){|c| pr.call}
end
it "should attempt to get a connection" do
@db.test_connection
@test.wont_equal nil
end
it "should return true if successful" do
@db.test_connection.must_equal true
end
it "should raise an error if the attempting to connect raises an error" do
@db.singleton_class.send(:alias_method, :connect, :connect)
def @db.connect(*) raise Sequel::Error end
proc{@db.test_connection}.must_raise(Sequel::DatabaseConnectionError)
end
end
describe "Database#table_exists?" do
it "should test existence by selecting a row from the table's dataset" do
db = Sequel.mock(:fetch=>[Sequel::Error, [], [{:a=>1}]])
db.table_exists?(:a).must_equal false
db.sqls.must_equal ["SELECT NULL AS nil FROM a LIMIT 1"]
db.table_exists?(:b).must_equal true
db.table_exists?(:c).must_equal true
end
it "should work for a schema qualified table" do
db = Sequel.mock(:fetch=>[[{:a=>1}]])
db.table_exists?(Sequel[:a][:b]).must_equal true
db.sqls.must_equal ["SELECT NULL AS nil FROM a.b LIMIT 1"]
end
it "should use a savepoint if inside a transaction" do
db = Sequel.mock(:fetch=>[Sequel::Error, [], [{:a=>1}]])
def db.supports_savepoints?; true end
db.transaction do
db.table_exists?(:a).must_equal false
end
db.sqls.must_equal ["BEGIN", "SAVEPOINT autopoint_1", "SELECT NULL AS nil FROM a LIMIT 1", "ROLLBACK TO SAVEPOINT autopoint_1", "COMMIT"]
db.table_exists?(:b).must_equal true
db.table_exists?(:c).must_equal true
end
end
DatabaseTransactionSpecs = shared_description do
it "should wrap the supplied block with BEGIN + COMMIT statements" do
@db.transaction{@db.execute 'DROP TABLE test;'}
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test;', 'COMMIT']
end
it "should support transaction isolation levels" do
@db.define_singleton_method(:supports_transaction_isolation_levels?){true}
[:uncommitted, :committed, :repeatable, :serializable].each do |l|
@db.transaction(:isolation=>l){@db.run "DROP TABLE #{l}"}
end
@db.sqls.must_equal ['BEGIN', 'SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED', 'DROP TABLE uncommitted', 'COMMIT',
'BEGIN', 'SET TRANSACTION ISOLATION LEVEL READ COMMITTED', 'DROP TABLE committed', 'COMMIT',
'BEGIN', 'SET TRANSACTION ISOLATION LEVEL REPEATABLE READ', 'DROP TABLE repeatable', 'COMMIT',
'BEGIN', 'SET TRANSACTION ISOLATION LEVEL SERIALIZABLE', 'DROP TABLE serializable', 'COMMIT']
end
it "should allow specifying a default transaction isolation level" do
@db.define_singleton_method(:supports_transaction_isolation_levels?){true}
[:uncommitted, :committed, :repeatable, :serializable].each do |l|
@db.transaction_isolation_level = l
@db.transaction{@db.run "DROP TABLE #{l}"}
end
@db.sqls.must_equal ['BEGIN', 'SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED', 'DROP TABLE uncommitted', 'COMMIT',
'BEGIN', 'SET TRANSACTION ISOLATION LEVEL READ COMMITTED', 'DROP TABLE committed', 'COMMIT',
'BEGIN', 'SET TRANSACTION ISOLATION LEVEL REPEATABLE READ', 'DROP TABLE repeatable', 'COMMIT',
'BEGIN', 'SET TRANSACTION ISOLATION LEVEL SERIALIZABLE', 'DROP TABLE serializable', 'COMMIT']
end
it "should support :retry_on option for automatically retrying transactions" do
a = []
@db.transaction(:retry_on=>Sequel::DatabaseDisconnectError){a << 1; raise Sequel::DatabaseDisconnectError if a.length < 2}
@db.sqls.must_equal ['BEGIN', 'ROLLBACK', 'BEGIN', 'COMMIT']
a.must_equal [1, 1]
a = []
@db.transaction(:retry_on=>[Sequel::ConstraintViolation, Sequel::SerializationFailure]) do
a << 1
raise Sequel::SerializationFailure if a.length == 1
raise Sequel::ConstraintViolation if a.length == 2
end
@db.sqls.must_equal ['BEGIN', 'ROLLBACK', 'BEGIN', 'ROLLBACK', 'BEGIN', 'COMMIT']
a.must_equal [1, 1, 1]
end
it "should support :num_retries option for limiting the number of retry times" do
a = []
lambda do
@db.transaction(:num_retries=>1, :retry_on=>[Sequel::ConstraintViolation, Sequel::SerializationFailure]) do
a << 1
raise Sequel::SerializationFailure if a.length == 1
raise Sequel::ConstraintViolation if a.length == 2
end
end.must_raise(Sequel::ConstraintViolation)
@db.sqls.must_equal ['BEGIN', 'ROLLBACK', 'BEGIN', 'ROLLBACK']
a.must_equal [1, 1]
end
it "should support :num_retries=>nil option to retry indefinitely" do
a = []
lambda do
@db.transaction(:num_retries=>nil, :retry_on=>[Sequel::ConstraintViolation]) do
a << 1
raise Sequel::SerializationFailure if a.length >= 100
raise Sequel::ConstraintViolation
end
end.must_raise(Sequel::SerializationFailure)
@db.sqls.must_equal ['BEGIN', 'ROLLBACK'] * 100
a.must_equal [1] * 100
end
it "should support :before_retry option for invoking callback before retrying" do
a, errs, calls = [], [], []
retryer = proc{|n, err| calls << n; errs << err }
@db.transaction(:retry_on=>Sequel::DatabaseDisconnectError, :before_retry => retryer) do
a << 1; raise Sequel::DatabaseDisconnectError if a.length < 3
end
@db.sqls.must_equal ['BEGIN', 'ROLLBACK', 'BEGIN', 'ROLLBACK', 'BEGIN', 'COMMIT']
a.must_equal [1, 1, 1]
errs.count.must_equal 2
errs.each { |e| e.class.must_equal Sequel::DatabaseDisconnectError }
calls.must_equal [1, 2]
end
it "should support :before_retry option for invoking callback before retrying when doing it indefinitely" do
a, errs, calls = [], [], []
retryer = proc{|n, err| calls << n; errs << err }
@db.transaction(:num_retries => nil, :retry_on=>Sequel::DatabaseDisconnectError, :before_retry => retryer) do
a << 1; raise Sequel::DatabaseDisconnectError if a.length < 3
end
@db.sqls.must_equal ['BEGIN', 'ROLLBACK', 'BEGIN', 'ROLLBACK', 'BEGIN', 'COMMIT']
a.must_equal [1, 1, 1]
errs.count.must_equal 2
errs.each { |e| e.class.must_equal Sequel::DatabaseDisconnectError }
calls.must_equal [1, 2]
end
it "should raise an error if attempting to use :retry_on inside another transaction" do
proc{@db.transaction{@db.transaction(:retry_on=>Sequel::ConstraintViolation){}}}.must_raise(Sequel::Error)
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
end
it "should handle returning inside of the block by committing" do
def @db.ret_commit
transaction do
execute 'DROP TABLE test;'
return
end
end
@db.ret_commit
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test;', 'COMMIT']
end
it "should issue ROLLBACK if an exception is raised, and re-raise" do
@db.transaction {@db.execute 'DROP TABLE test'; raise RuntimeError} rescue nil
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test', 'ROLLBACK']
proc {@db.transaction {raise RuntimeError}}.must_raise(RuntimeError)
end
it "should handle errors when sending BEGIN" do
ec = Class.new(StandardError)
@db.define_singleton_method(:database_error_classes){[ec]}
@db.define_singleton_method(:log_connection_execute){|c, sql| sql =~ /BEGIN/ ? raise(ec, 'bad') : super(c, sql)}
begin
@db.transaction{@db.execute 'DROP TABLE test;'}
rescue Sequel::DatabaseError => e
end
e.wont_equal nil
e.wrapped_exception.must_be_kind_of(ec)
@db.sqls.must_equal ['ROLLBACK']
end
it "should handle errors when sending COMMIT" do
ec = Class.new(StandardError)
@db.define_singleton_method(:database_error_classes){[ec]}
@db.define_singleton_method(:log_connection_execute){|c, sql| sql =~ /COMMIT/ ? raise(ec, 'bad') : super(c, sql)}
begin
@db.transaction{@db.execute 'DROP TABLE test;'}
rescue Sequel::DatabaseError => e
end
e.wont_equal nil
e.wrapped_exception.must_be_kind_of(ec)
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test;', 'ROLLBACK']
end
it "should raise original exception if there is an exception raised when rolling back" do
ec = Class.new(StandardError)
@db.define_singleton_method(:database_error_classes){[ec]}
@db.define_singleton_method(:log_connection_execute){|c, sql| sql =~ /ROLLBACK/ ? raise(ec, 'bad') : super(c, sql)}
begin
@db.transaction{raise ArgumentError, 'asdf'}
rescue => e
end
e.must_be_kind_of(ArgumentError)
@db.sqls.must_equal ['BEGIN']
end
it "should raise original exception if there is an exception raised when rolling back when using :rollback=>:always" do
ec = Class.new(StandardError)
@db.define_singleton_method(:database_error_classes){[ec]}
@db.define_singleton_method(:log_connection_execute){|c, sql| sql =~ /ROLLBACK/ ? raise(ec, 'bad') : super(c, sql)}
begin
@db.transaction(:rollback=>:always){}
rescue => e
end
e.must_be_kind_of(ec)
@db.sqls.must_equal ['BEGIN']
end
it "should issue ROLLBACK if Sequel::Rollback is called in the transaction" do
@db.transaction do
@db.drop_table(:a)
raise Sequel::Rollback
@db.drop_table(:b)
end
@db.sqls.must_equal ['BEGIN', 'DROP TABLE a', 'ROLLBACK']
end
it "should have in_transaction? return true if inside a transaction" do
c = nil
@db.transaction{c = @db.in_transaction?}
c.must_equal true
end
it "should have in_transaction? handle sharding correctly" do
c = []
@db.transaction(:server=>:test){c << @db.in_transaction?}
@db.transaction(:server=>:test){c << @db.in_transaction?(:server=>:test)}
c.must_equal [false, true]
end
it "should have in_transaction? return false if not in a transaction" do
@db.in_transaction?.must_equal false
end
it "should have rollback_checker return a proc which returns whether the transaction was rolled back" do
proc{@db.rollback_checker}.must_raise Sequel::Error
proc{@db.transaction(:server=>:test){@db.rollback_checker}}.must_raise Sequel::Error
rbc = nil
@db.transaction do
rbc = @db.rollback_checker
rbc.call.must_be_nil
end
rbc.call.must_equal false
@db.transaction(:rollback=>:always) do
rbc = @db.rollback_checker
rbc.call.must_be_nil
end
rbc.call.must_equal true
proc do
@db.transaction do
rbc = @db.rollback_checker
raise
end
end.must_raise RuntimeError
rbc.call.must_equal true
@db.transaction(:server=>:test){rbc = @db.rollback_checker(:server=>:test)}
rbc.call.must_equal false
end
it "should return nil if Sequel::Rollback is called in the transaction" do
@db.transaction{raise Sequel::Rollback}.must_be_nil
end
it "should reraise Sequel::Rollback errors when using :rollback=>:reraise option is given" do
proc {@db.transaction(:rollback=>:reraise){raise Sequel::Rollback}}.must_raise(Sequel::Rollback)
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
proc {@db.transaction(:rollback=>:reraise){raise ArgumentError}}.must_raise(ArgumentError)
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
@db.transaction(:rollback=>:reraise){1}.must_equal 1
@db.sqls.must_equal ['BEGIN', 'COMMIT']
end
it "should always rollback if :rollback=>:always option is given" do
proc {@db.transaction(:rollback=>:always){raise ArgumentError}}.must_raise(ArgumentError)
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
@db.transaction(:rollback=>:always){raise Sequel::Rollback}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
@db.transaction(:rollback=>:always){1}.must_equal 1
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
catch(:foo) do
@db.transaction(:rollback=>:always){throw :foo}
end
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
end
it "should raise database errors when commiting a transaction as Sequel::DatabaseError" do
@db.define_singleton_method(:commit_transaction){raise ArgumentError}
lambda{@db.transaction{}}.must_raise(ArgumentError)
@db.define_singleton_method(:database_error_classes){[ArgumentError]}
lambda{@db.transaction{}}.must_raise(Sequel::DatabaseError)
end
it "should be re-entrant" do
q, q1 = Queue.new, Queue.new
cc = nil
t = Thread.new do
@db.transaction {@db.transaction {@db.transaction {|c|
cc = c
q.pop
q1.push nil
q.pop
}}}
end
q.push nil
q1.pop
cc.must_be_kind_of(Sequel::Mock::Connection)
tr = @db.instance_variable_get(:@transactions)
tr.keys.must_equal [cc]
q.push nil
t.join
tr.must_be :empty?
end
it "should correctly handle nested transaction use with separate shards" do
@db.transaction do |c1|
@db.transaction(:server=>:test) do |c2|
c1.wont_equal c2
@db.execute 'DROP TABLE test;'
end
end
@db.sqls.must_equal ['BEGIN', 'BEGIN -- test', 'DROP TABLE test;', 'COMMIT -- test', 'COMMIT']
end
if (!defined?(RUBY_ENGINE) or RUBY_ENGINE == 'ruby') and !RUBY_VERSION.start_with?('1.9')
it "should handle Thread#kill for transactions inside threads" do
q = Queue.new
q1 = Queue.new
t = Thread.new do
@db.transaction do
@db.execute 'DROP TABLE test'
q1.push nil
q.pop
@db.execute 'DROP TABLE test2'
end
end
q1.pop
t.kill
t.join
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test', 'ROLLBACK']
end
end
it "should raise an Error if after_commit or after_rollback is called without a block" do
proc{@db.after_commit}.must_raise(Sequel::Error)
proc{@db.after_rollback}.must_raise(Sequel::Error)
end
it "should have after_commit and after_rollback respect :server option" do
@db.transaction(:server=>:test){@db.after_commit(:server=>:test){@db.execute('foo', :server=>:test)}}
@db.sqls.must_equal ['BEGIN -- test', 'COMMIT -- test', 'foo -- test']
@db.transaction(:server=>:test){@db.after_rollback(:server=>:test){@db.execute('foo', :server=>:test)}; raise Sequel::Rollback}
@db.sqls.must_equal ['BEGIN -- test', 'ROLLBACK -- test', 'foo -- test']
end
it "should execute after_commit outside transactions" do
@db.after_commit{@db.execute('foo')}
@db.sqls.must_equal ['foo']
end
it "should ignore after_rollback outside transactions" do
@db.after_rollback{@db.execute('foo')}
@db.sqls.must_equal []
end
it "should support after_commit inside transactions" do
@db.transaction{@db.after_commit{@db.execute('foo')}}
@db.sqls.must_equal ['BEGIN', 'COMMIT', 'foo']
end
it "should support after_rollback inside transactions" do
@db.transaction{@db.after_rollback{@db.execute('foo')}}
@db.sqls.must_equal ['BEGIN', 'COMMIT']
end
it "should have transaction inside after_commit work correctly" do
@db.transaction{@db.after_commit{@db.transaction{@db.execute('foo')}}}
@db.sqls.must_equal ['BEGIN', 'COMMIT', 'BEGIN', 'foo', 'COMMIT']
end
it "should have transaction inside after_rollback work correctly" do
@db.transaction(:rollback=>:always){@db.after_rollback{@db.transaction{@db.execute('foo')}}}
@db.sqls.must_equal ['BEGIN', 'ROLLBACK', 'BEGIN', 'foo', 'COMMIT']
end
it "should not call after_commit if the transaction rolls back" do
@db.transaction{@db.after_commit{@db.execute('foo')}; raise Sequel::Rollback}
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
end
it "should call after_rollback if the transaction rolls back" do
@db.transaction{@db.after_rollback{@db.execute('foo')}; raise Sequel::Rollback}
@db.sqls.must_equal ['BEGIN', 'ROLLBACK', 'foo']
end
it "should call multiple after_commit blocks in order if called inside transactions" do
@db.transaction{@db.after_commit{@db.execute('foo')}; @db.after_commit{@db.execute('bar')}}
@db.sqls.must_equal ['BEGIN', 'COMMIT', 'foo', 'bar']
end
it "should call multiple after_rollback blocks in order if called inside transactions" do
@db.transaction{@db.after_rollback{@db.execute('foo')}; @db.after_rollback{@db.execute('bar')}; raise Sequel::Rollback}
@db.sqls.must_equal ['BEGIN', 'ROLLBACK', 'foo', 'bar']
end
it "should support after_commit inside nested transactions" do
@db.transaction{@db.transaction{@db.after_commit{@db.execute('foo')}}}
@db.sqls.must_equal ['BEGIN', 'COMMIT', 'foo']
end
it "should support after_rollback inside nested transactions" do
@db.transaction{@db.transaction{@db.after_rollback{@db.execute('foo')}}; raise Sequel::Rollback}
@db.sqls.must_equal ['BEGIN', 'ROLLBACK', 'foo']
end
it "should raise an error if you attempt to use after_commit inside a prepared transaction" do
@db.define_singleton_method(:supports_prepared_transactions?){true}
proc{@db.transaction(:prepare=>'XYZ'){@db.after_commit{@db.execute('foo')}}}.must_raise(Sequel::Error)
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
end
it "should raise an error if you attempt to use after_rollback inside a prepared transaction" do
@db.define_singleton_method(:supports_prepared_transactions?){true}
proc{@db.transaction(:prepare=>'XYZ'){@db.after_rollback{@db.execute('foo')}}}.must_raise(Sequel::Error)
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
end
it "should have rollback_on_exit cause the transaction to rollback on exit" do
@db.transaction{@db.rollback_on_exit}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
catch(:foo){@db.transaction{@db.rollback_on_exit; throw :foo}}
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
lambda{@db.transaction{@db.rollback_on_exit; return true}}.call
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
end
it "should have rollback_on_exit with :cancel option will cause the transaction to commit on exit" do
@db.transaction{@db.rollback_on_exit(:cancel=>true)}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'COMMIT']
@db.transaction{@db.rollback_on_exit; @db.rollback_on_exit(:cancel=>true)}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'COMMIT']
end
it "should have rollback_on_exit raise error outside a transaction" do
proc{@db.rollback_on_exit}.must_raise Sequel::Error
@db.sqls.must_equal []
end
end
describe "Database#transaction with savepoint support" do
before do
@db = Sequel.mock(:servers=>{:test=>{}})
end
include DatabaseTransactionSpecs
it "should support :retry_on option for automatically retrying transactions when using :savepoint option" do
a = []
@db.transaction do
@db.transaction(:retry_on=>Sequel::SerializationFailure, :savepoint=>true) do
a << 1
raise Sequel::SerializationFailure if a.length == 1
end
end
@db.sqls.must_equal ["BEGIN", "SAVEPOINT autopoint_1", "ROLLBACK TO SAVEPOINT autopoint_1", "SAVEPOINT autopoint_1", "RELEASE SAVEPOINT autopoint_1", "COMMIT"]
a.must_equal [1, 1]
end
it "should automatically use a savepoint if :rollback=>:always given inside a transaction" do
@db.transaction do
@db.transaction(:rollback=>:always) do
@db.get(1)
end
end
@db.sqls.must_equal ["BEGIN", "SAVEPOINT autopoint_1", "SELECT 1 AS v LIMIT 1", "ROLLBACK TO SAVEPOINT autopoint_1", "COMMIT"]
end
it "should support :retry_on option for automatically retrying transactions inside an :auto_savepoint transaction" do
a = []
@db.transaction(:auto_savepoint=>true) do
@db.transaction(:retry_on=>Sequel::SerializationFailure) do
a << 1
raise Sequel::SerializationFailure if a.length == 1
end
end
@db.sqls.must_equal ["BEGIN", "SAVEPOINT autopoint_1", "ROLLBACK TO SAVEPOINT autopoint_1", "SAVEPOINT autopoint_1", "RELEASE SAVEPOINT autopoint_1", "COMMIT"]
a.must_equal [1, 1]
end
it "should support after_commit inside savepoints" do
@db.transaction do
@db.after_commit{@db.execute('foo')}
@db.transaction(:savepoint=>true){@db.after_commit{@db.execute('bar')}}
@db.after_commit{@db.execute('baz')}
end
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT', 'foo', 'bar', 'baz']
end
it "should support after_rollback inside savepoints" do
@db.transaction(:rollback=>:always) do
@db.after_rollback{@db.execute('foo')}
@db.transaction(:savepoint=>true){@db.after_rollback{@db.execute('bar')}}
@db.after_rollback{@db.execute('baz')}
end
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'RELEASE SAVEPOINT autopoint_1', 'ROLLBACK', 'foo', 'bar', 'baz']
end
it "should run after_commit if savepoint rolled back" do
@db.transaction do
@db.after_commit{@db.execute('foo')}
@db.transaction(:savepoint=>true, :rollback=>:always){@db.after_commit{@db.execute('bar')}}
end
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'ROLLBACK TO SAVEPOINT autopoint_1', 'COMMIT', 'foo', 'bar']
end
it "should not run after_commit if savepoint rolled back and :savepoint option used" do
@db.transaction do
@db.after_commit{@db.execute('foo')}
@db.transaction(:savepoint=>true, :rollback=>:always){@db.after_commit(:savepoint=>true){@db.execute('bar')}}
end
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'ROLLBACK TO SAVEPOINT autopoint_1', 'COMMIT', 'foo']
end
it "should not run after_commit if higher-level savepoint rolled back and :savepoint option used" do
@db.transaction do
@db.after_commit{@db.execute('foo')}
@db.transaction(:savepoint=>true, :rollback=>:always){@db.transaction(:savepoint=>true){@db.after_commit(:savepoint=>true){@db.execute('bar')}}}
end
@db.sqls.must_equal ["BEGIN", "SAVEPOINT autopoint_1", "SAVEPOINT autopoint_2", "RELEASE SAVEPOINT autopoint_2", "ROLLBACK TO SAVEPOINT autopoint_1", "COMMIT", "foo"]
end
it "should not run after_commit if transaction rolled back and :savepoint option used" do
@db.transaction(:rollback=>:always) do
@db.after_commit{@db.execute('foo')}
@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.after_commit(:savepoint=>true){@db.execute('bar')}}}
end
@db.sqls.must_equal ["BEGIN", "SAVEPOINT autopoint_1", "SAVEPOINT autopoint_2", "RELEASE SAVEPOINT autopoint_2", "RELEASE SAVEPOINT autopoint_1", "ROLLBACK"]
end
it "should run after_rollback if savepoint rolls back" do
@db.transaction(:rollback=>:always) do
@db.after_rollback{@db.execute('foo')}
@db.transaction(:savepoint=>true, :rollback=>:always){@db.after_rollback{@db.execute('bar')}}
@db.after_rollback{@db.execute('baz')}
end
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'ROLLBACK TO SAVEPOINT autopoint_1', 'ROLLBACK', 'foo', 'bar', 'baz']
end
it "should run after_rollback when savepoint rolls back if :savepoint option used" do
@db.transaction(:rollback=>:always) do
@db.after_rollback{@db.execute('foo')}
@db.transaction(:savepoint=>true, :rollback=>:always){@db.after_rollback(:savepoint=>true){@db.execute('bar')}}
@db.after_rollback{@db.execute('baz')}
end
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'ROLLBACK TO SAVEPOINT autopoint_1', 'bar', 'ROLLBACK', 'foo', 'baz']
end
it "should run after_rollback if savepoint rolled back and :savepoint option used, even if transaction commits" do
@db.transaction do
@db.after_commit{@db.execute('foo')}
@db.transaction(:savepoint=>true, :rollback=>:always){@db.after_rollback(:savepoint=>true){@db.execute('bar')}}
end
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'ROLLBACK TO SAVEPOINT autopoint_1', 'bar', 'COMMIT', 'foo']
end
it "should run after_rollback if higher-level savepoint rolled back and :savepoint option used" do
@db.transaction do
@db.transaction(:savepoint=>true, :rollback=>:always){@db.transaction(:savepoint=>true){@db.after_rollback(:savepoint=>true){@db.execute('bar')}}}
end
@db.sqls.must_equal ["BEGIN", "SAVEPOINT autopoint_1", "SAVEPOINT autopoint_2", "RELEASE SAVEPOINT autopoint_2", "ROLLBACK TO SAVEPOINT autopoint_1", "bar", "COMMIT"]
end
it "should run after_rollback if transaction rolled back and :savepoint option used" do
@db.transaction(:rollback=>:always) do
@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.after_rollback(:savepoint=>true){@db.execute('bar')}}}
end
@db.sqls.must_equal ["BEGIN", "SAVEPOINT autopoint_1", "SAVEPOINT autopoint_2", "RELEASE SAVEPOINT autopoint_2", "RELEASE SAVEPOINT autopoint_1", "ROLLBACK", "bar"]
end
it "should raise an error if you attempt to use after_commit inside a savepoint in a prepared transaction" do
@db.define_singleton_method(:supports_prepared_transactions?){true}
proc{@db.transaction(:prepare=>'XYZ'){@db.transaction(:savepoint=>true){@db.after_commit{@db.execute('foo')}}}}.must_raise(Sequel::Error)
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','ROLLBACK TO SAVEPOINT autopoint_1', 'ROLLBACK']
end
it "should raise an error if you attempt to use after_rollback inside a savepoint in a prepared transaction" do
@db.define_singleton_method(:supports_prepared_transactions?){true}
proc{@db.transaction(:prepare=>'XYZ'){@db.transaction(:savepoint=>true){@db.after_rollback{@db.execute('foo')}}}}.must_raise(Sequel::Error)
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','ROLLBACK TO SAVEPOINT autopoint_1', 'ROLLBACK']
end
it "should create savepoint if inside a transaction when :savepoint=>:only is used" do
@db.transaction{@db.transaction(:savepoint=>:only){}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','RELEASE SAVEPOINT autopoint_1', 'COMMIT']
end
it "should not create transaction if not inside a transaction when :savepoint=>:only is used" do
@db.transaction(:savepoint=>:only){}
@db.sqls.must_equal []
end
it "should have rollback_on_exit with :savepoint option inside transaction cause the transaction to rollback on exit" do
@db.transaction{@db.rollback_on_exit(:savepoint=>true)}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
catch(:foo){@db.transaction{@db.rollback_on_exit(:savepoint=>true); throw :foo}}
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
lambda{@db.transaction{@db.rollback_on_exit(:savepoint=>true); return true}}.call
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
end
it "should have rollback_on_exit with :savepoint option inside savepoint cause the savepoint to rollback on exit" do
@db.transaction{@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true)}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','ROLLBACK TO SAVEPOINT autopoint_1', 'COMMIT']
catch(:foo){@db.transaction{@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true); throw :foo}}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','ROLLBACK TO SAVEPOINT autopoint_1', 'COMMIT']
lambda{@db.transaction{@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true); return true}}}.call
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','ROLLBACK TO SAVEPOINT autopoint_1', 'COMMIT']
end
it "should have rollback_on_exit with :savepoint option inside nested savepoint cause the current savepoint to rollback on exit" do
@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true)}}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
catch(:foo){@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true); throw :foo}}}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
lambda{@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true); return true}}}}.call
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
end
it "should have rollback_on_exit with :savepoint=>1 option inside nested savepoint cause the current savepoint to rollback on exit" do
@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>1)}}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
catch(:foo){@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>1); throw :foo}}}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
lambda{@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>1); return true}}}}.call
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
end
it "should have rollback_on_exit with :savepoint=>2 option inside nested savepoint cause the current and next savepoint to rollback on exit" do
@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>2)}}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'ROLLBACK TO SAVEPOINT autopoint_1', 'COMMIT']
catch(:foo){@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>2); throw :foo}}}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'ROLLBACK TO SAVEPOINT autopoint_1', 'COMMIT']
lambda{@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>2); return true}}}}.call
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'ROLLBACK TO SAVEPOINT autopoint_1', 'COMMIT']
end
it "should have rollback_on_exit with :savepoint=>3 option inside nested savepoint cause the three enclosing savepoints/transaction to rollback on exit" do
@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>3)}}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'ROLLBACK TO SAVEPOINT autopoint_1', 'ROLLBACK']
catch(:foo){@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>3); throw :foo}}}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'ROLLBACK TO SAVEPOINT autopoint_1', 'ROLLBACK']
lambda{@db.transaction{@db.transaction(:savepoint=>true){@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>3); return true}}}}.call
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'ROLLBACK TO SAVEPOINT autopoint_1', 'ROLLBACK']
end
it "should have rollback_on_exit with :savepoint and :cancel option will cause the transaction to commit on exit" do
@db.transaction{@db.rollback_on_exit(:savepoint=>true, :cancel=>true)}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'COMMIT']
@db.transaction{@db.rollback_on_exit(:savepoint=>true); @db.rollback_on_exit(:savepoint=>true, :cancel=>true)}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'COMMIT']
end
it "should have rollback_on_exit with :savepoint option called at different levels work correctly" do
@db.transaction{@db.rollback_on_exit(:savepoint=>true); @db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true)}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1','ROLLBACK TO SAVEPOINT autopoint_1', 'ROLLBACK']
@db.transaction{@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true); @db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true)}}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'SAVEPOINT autopoint_2','ROLLBACK TO SAVEPOINT autopoint_2', 'ROLLBACK TO SAVEPOINT autopoint_1', 'COMMIT']
@db.transaction{@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true); @db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true, :cancel=>true)}}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'SAVEPOINT autopoint_2','RELEASE SAVEPOINT autopoint_2', 'ROLLBACK TO SAVEPOINT autopoint_1', 'COMMIT']
@db.transaction{@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true); @db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>2, :cancel=>true)}}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'SAVEPOINT autopoint_2','RELEASE SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
@db.transaction{@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true); @db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>3, :cancel=>true)}}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'SAVEPOINT autopoint_2','RELEASE SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
@db.transaction{@db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>true); @db.transaction(:savepoint=>true){@db.rollback_on_exit(:savepoint=>4, :cancel=>true)}}}.must_be_nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'SAVEPOINT autopoint_2','RELEASE SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
end
it "should have rollback_on_exit raise error when using invalid :savepoint option" do
proc{@db.transaction{@db.rollback_on_exit(:savepoint=>Object.new)}}.must_raise Sequel::Error
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
proc{@db.transaction{@db.rollback_on_exit(:savepoint=>-1)}}.must_raise Sequel::Error
@db.sqls.must_equal ['BEGIN', 'ROLLBACK']
end
end
describe "Database#transaction without savepoint support" do
before do
@db = Sequel.mock(:servers=>{:test=>{}})
@db.define_singleton_method(:supports_savepoints?){false}
end
it "should not create savepoint if inside a transaction when :savepoint=>:only is used" do
@db.transaction{@db.transaction(:savepoint=>:only){}}
@db.sqls.must_equal ['BEGIN', 'COMMIT']
end
it "should not automatically use a savepoint if :rollback=>:always given inside a transaction" do
proc do
@db.transaction do
@db.transaction(:rollback=>:always) do
@db.get(1)
end
end
end.must_raise Sequel::Error
@db.sqls.must_equal ["BEGIN", "ROLLBACK"]
end
include DatabaseTransactionSpecs
end
describe "Sequel.transaction" do
before do
@sqls = []
@db1 = Sequel.mock(:append=>'1', :sqls=>@sqls)
@db2 = Sequel.mock(:append=>'2', :sqls=>@sqls)
@db3 = Sequel.mock(:append=>'3', :sqls=>@sqls)
end
it "should run the block inside transacitons on all three databases" do
Sequel.transaction([@db1, @db2, @db3]){1}.must_equal 1
@sqls.must_equal ['BEGIN -- 1', 'BEGIN -- 2', 'BEGIN -- 3', 'COMMIT -- 3', 'COMMIT -- 2', 'COMMIT -- 1']
end
it "should pass options to all the blocks" do
Sequel.transaction([@db1, @db2, @db3], :rollback=>:always){1}.must_equal 1
@sqls.must_equal ['BEGIN -- 1', 'BEGIN -- 2', 'BEGIN -- 3', 'ROLLBACK -- 3', 'ROLLBACK -- 2', 'ROLLBACK -- 1']
end
it "should handle Sequel::Rollback exceptions raised by the block to rollback on all databases" do
Sequel.transaction([@db1, @db2, @db3]){raise Sequel::Rollback}.must_be_nil
@sqls.must_equal ['BEGIN -- 1', 'BEGIN -- 2', 'BEGIN -- 3', 'ROLLBACK -- 3', 'ROLLBACK -- 2', 'ROLLBACK -- 1']
end
it "should handle nested transactions" do
Sequel.transaction([@db1, @db2, @db3]){Sequel.transaction([@db1, @db2, @db3]){1}}.must_equal 1
@sqls.must_equal ['BEGIN -- 1', 'BEGIN -- 2', 'BEGIN -- 3', 'COMMIT -- 3', 'COMMIT -- 2', 'COMMIT -- 1']
end
it "should handle savepoints" do
Sequel.transaction([@db1, @db2, @db3]){Sequel.transaction([@db1, @db2, @db3], :savepoint=>true){1}}.must_equal 1
@sqls.must_equal ['BEGIN -- 1', 'BEGIN -- 2', 'BEGIN -- 3',
'SAVEPOINT autopoint_1 -- 1', 'SAVEPOINT autopoint_1 -- 2', 'SAVEPOINT autopoint_1 -- 3',
'RELEASE SAVEPOINT autopoint_1 -- 3', 'RELEASE SAVEPOINT autopoint_1 -- 2', 'RELEASE SAVEPOINT autopoint_1 -- 1',
'COMMIT -- 3', 'COMMIT -- 2', 'COMMIT -- 1']
end
end
describe "Database#transaction with savepoints" do
before do
@db = Sequel.mock
end
it "should wrap the supplied block with BEGIN + COMMIT statements" do
@db.transaction {@db.execute 'DROP TABLE test;'}
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test;', 'COMMIT']
end
it "should use savepoints if given the :savepoint option" do
@db.transaction{@db.transaction(:savepoint=>true){@db.execute 'DROP TABLE test;'}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'DROP TABLE test;', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
end
it "should use savepoints if surrounding transaction uses :auto_savepoint option" do
@db.transaction(:auto_savepoint=>true){@db.transaction{@db.execute 'DROP TABLE test;'}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'DROP TABLE test;', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
@db.transaction(:auto_savepoint=>true){@db.transaction{@db.transaction{@db.execute 'DROP TABLE test;'}}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'DROP TABLE test;', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
@db.transaction(:auto_savepoint=>true){@db.transaction(:auto_savepoint=>true){@db.transaction{@db.execute 'DROP TABLE test;'}}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'SAVEPOINT autopoint_2', 'DROP TABLE test;', 'RELEASE SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
@db.transaction{@db.transaction(:auto_savepoint=>true, :savepoint=>true){@db.transaction{@db.execute 'DROP TABLE test;'}}}
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'SAVEPOINT autopoint_2', 'DROP TABLE test;', 'RELEASE SAVEPOINT autopoint_2', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
end
it "should not use savepoints if surrounding transaction uses :auto_savepoint and current transaction uses :savepoint=>false option" do
@db.transaction(:auto_savepoint=>true){@db.transaction(:savepoint=>false){@db.execute 'DROP TABLE test;'}}
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test;', 'COMMIT']
end
it "should not use a savepoint if no transaction is in progress" do
@db.transaction(:savepoint=>true){@db.execute 'DROP TABLE test;'}
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test;', 'COMMIT']
end
it "should reuse the current transaction if no :savepoint option is given" do
@db.transaction{@db.transaction{@db.execute 'DROP TABLE test;'}}
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test;', 'COMMIT']
end
it "should handle returning inside of the block by committing" do
def @db.ret_commit
transaction do
execute 'DROP TABLE test;'
return
end
end
@db.ret_commit
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test;', 'COMMIT']
end
it "should handle returning inside of a savepoint by committing" do
def @db.ret_commit
transaction do
transaction(:savepoint=>true) do
execute 'DROP TABLE test;'
return
end
end
end
@db.ret_commit
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'DROP TABLE test;', 'RELEASE SAVEPOINT autopoint_1', 'COMMIT']
end
it "should issue ROLLBACK if an exception is raised, and re-raise" do
@db.transaction {@db.execute 'DROP TABLE test'; raise RuntimeError} rescue nil
@db.sqls.must_equal ['BEGIN', 'DROP TABLE test', 'ROLLBACK']
proc {@db.transaction {raise RuntimeError}}.must_raise(RuntimeError)
end
it "should issue ROLLBACK SAVEPOINT if an exception is raised inside a savepoint, and re-raise" do
@db.transaction{@db.transaction(:savepoint=>true){@db.execute 'DROP TABLE test'; raise RuntimeError}} rescue nil
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'DROP TABLE test', 'ROLLBACK TO SAVEPOINT autopoint_1', 'ROLLBACK']
proc {@db.transaction {raise RuntimeError}}.must_raise(RuntimeError)
end
it "should issue ROLLBACK if Sequel::Rollback is raised in the transaction" do
@db.transaction do
@db.drop_table(:a)
raise Sequel::Rollback
@db.drop_table(:b)
end
@db.sqls.must_equal ['BEGIN', 'DROP TABLE a', 'ROLLBACK']
end
it "should issue ROLLBACK SAVEPOINT if Sequel::Rollback is raised in a savepoint" do
@db.transaction do
@db.transaction(:savepoint=>true) do
@db.drop_table(:a)
raise Sequel::Rollback
end
@db.drop_table(:b)
end
@db.sqls.must_equal ['BEGIN', 'SAVEPOINT autopoint_1', 'DROP TABLE a', 'ROLLBACK TO SAVEPOINT autopoint_1', 'DROP TABLE b', 'COMMIT']
end
it "should raise database errors when commiting a transaction as Sequel::DatabaseError" do
@db.define_singleton_method(:commit_transaction){raise ArgumentError}
lambda{@db.transaction{}}.must_raise(ArgumentError)
lambda{@db.transaction{@db.transaction(:savepoint=>true){}}}.must_raise(ArgumentError)
@db.define_singleton_method(:database_error_classes){[ArgumentError]}
lambda{@db.transaction{}}.must_raise(Sequel::DatabaseError)
lambda{@db.transaction{@db.transaction(:savepoint=>true){}}}.must_raise(Sequel::DatabaseError)
end
end
describe "A Database adapter with a scheme" do
before do
require 'sequel/adapters/mock'
@ccc = Class.new(Sequel::Mock::Database)
@ccc.send(:set_adapter_scheme, :ccc)
end
it "should be registered in the ADAPTER_MAP" do
Sequel::ADAPTER_MAP[:ccc].must_equal @ccc
end
it "should give the database_type as the adapter scheme by default" do
@ccc.new.database_type.must_equal :ccc
end
it "should be instantiated when its scheme is specified" do
c = Sequel::Database.connect('ccc://localhost/db')
c.must_be_kind_of(@ccc)
c.opts[:host].must_equal 'localhost'
c.opts[:database].must_equal 'db'
end
it "should be accessible through Sequel.connect" do
c = Sequel.connect 'ccc://localhost/db'
c.must_be_kind_of(@ccc)
c.opts[:host].must_equal 'localhost'
c.opts[:database].must_equal 'db'
end
it "should be accessible through Sequel.connect via a block" do
x = nil
y = nil
z = nil
returnValue = 'anything'
p = proc do |c|
c.must_be_kind_of(@ccc)
c.opts[:host].must_equal 'localhost'
c.opts[:database].must_equal 'db'
z = y
y = x
x = c
returnValue
end
@ccc.class_eval do
self::DISCONNECTS = []
def disconnect
self.class::DISCONNECTS << self
end
end
Sequel::Database.connect('ccc://localhost/db', &p).must_equal returnValue
@ccc::DISCONNECTS.must_equal [x]
Sequel.connect('ccc://localhost/db', &p).must_equal returnValue
@ccc::DISCONNECTS.must_equal [y, x]
Sequel.send(:def_adapter_method, :ccc)
Sequel.ccc('db', :host=>'localhost', &p).must_equal returnValue
@ccc::DISCONNECTS.must_equal [z, y, x]
Sequel.singleton_class.send(:remove_method, :ccc)
end
it "should be accessible through Sequel.<adapter>" do
Sequel.send(:def_adapter_method, :ccc)
# invalid parameters
proc {Sequel.ccc('abc', 'def')}.must_raise(Sequel::Error)
proc {Sequel.ccc(1)}.must_raise(Sequel::Error)
c = Sequel.ccc('mydb')
c.must_be_kind_of(@ccc)
c.opts.values_at(:adapter, :database, :adapter_class).must_equal [:ccc, 'mydb', @ccc]
c = Sequel.ccc('mydb', :host => 'localhost')
c.must_be_kind_of(@ccc)
c.opts.values_at(:adapter, :database, :host, :adapter_class).must_equal [:ccc, 'mydb', 'localhost', @ccc]
c = Sequel.ccc
c.must_be_kind_of(@ccc)
c.opts.values_at(:adapter, :adapter_class).must_equal [:ccc, @ccc]
c = Sequel.ccc(:database => 'mydb', :host => 'localhost')
c.must_be_kind_of(@ccc)
c.opts.values_at(:adapter, :database, :host, :adapter_class).must_equal [:ccc, 'mydb', 'localhost', @ccc]
Sequel.singleton_class.send(:remove_method, :ccc)
end
it "should be accessible through Sequel.connect with options" do
c = Sequel.connect(:adapter => :ccc, :database => 'mydb')
c.must_be_kind_of(@ccc)
c.opts[:adapter].must_equal :ccc
end
it "should be accessible through Sequel.connect with URL parameters" do
c = Sequel.connect 'ccc:///db?host=/tmp&user=test'
c.must_be_kind_of(@ccc)
c.opts[:host].must_equal '/tmp'
c.opts[:database].must_equal 'db'
c.opts[:user].must_equal 'test'
end
it "should have URL parameters take precedence over fixed URL parts" do
c = Sequel.connect 'ccc://localhost/db?host=a&database=b'
c.must_be_kind_of(@ccc)
c.opts[:host].must_equal 'a'
c.opts[:database].must_equal 'b'
end
it "should have hash options take predence over URL parameters or parts" do
c = Sequel.connect 'ccc://localhost/db?host=/tmp', :host=>'a', :database=>'b', :user=>'c'
c.must_be_kind_of(@ccc)
c.opts[:host].must_equal 'a'
c.opts[:database].must_equal 'b'
c.opts[:user].must_equal 'c'
end
it "should unescape values of URL parameters and parts" do
c = Sequel.connect 'ccc:///d%5bb%5d?host=domain%5cinstance'
c.must_be_kind_of(@ccc)
c.opts[:database].must_equal 'd[b]'
c.opts[:host].must_equal 'domain\\instance'
end
it "should test the connection if test parameter is truthy" do
@ccc.send(:define_method, :connect){}
proc{Sequel.connect 'ccc:///d%5bb%5d?test=t'}.must_raise(Sequel::DatabaseConnectionError)
proc{Sequel.connect 'ccc:///d%5bb%5d?test=1'}.must_raise(Sequel::DatabaseConnectionError)
proc{Sequel.connect 'ccc:///d%5bb%5d', :test=>true}.must_raise(Sequel::DatabaseConnectionError)
proc{Sequel.connect 'ccc:///d%5bb%5d', :test=>'t'}.must_raise(Sequel::DatabaseConnectionError)
end
it "should not test the connection if test parameter is not truthy" do
Sequel.connect 'ccc:///d%5bb%5d?test=f'
Sequel.connect 'ccc:///d%5bb%5d?test=0'
Sequel.connect 'ccc:///d%5bb%5d', :test=>false
Sequel.connect 'ccc:///d%5bb%5d', :test=>'f'
end
end
describe "Sequel::Database.connect" do
it "should raise an Error if not given a String or Hash" do
proc{Sequel::Database.connect(nil)}.must_raise(Sequel::Error)
proc{Sequel::Database.connect(Object.new)}.must_raise(Sequel::Error)
end
end
describe "An unknown database scheme" do
it "should raise an error in Sequel::Database.connect" do
proc {Sequel::Database.connect('ddd://localhost/db')}.must_raise(Sequel::AdapterNotFound)
end
it "should raise an error in Sequel.connect" do
proc {Sequel.connect('ddd://localhost/db')}.must_raise(Sequel::AdapterNotFound)
end
end
describe "A broken adapter (lib is there but the class is not)" do
before do
begin
@adapter = "blah#{$$}"
@fn = File.join(File.dirname(__FILE__), "../../lib/sequel/adapters/#{@adapter}.rb")
File.open(@fn,'a'){}
rescue Errno::ENOENT
end
end
after do
begin
File.delete(@fn)
rescue Errno::ENOENT
end
end
it "should raise an error" do
proc {Sequel.connect("#{@adapter}://blow")}.must_raise(Sequel::AdapterNotFound)
end
end
describe "Sequel::Database.load_adapter" do
it "should not raise an error if subadapter does not exist" do
Sequel::Database.load_adapter(:foo, :subdir=>'bar').must_be_nil
end
end
describe "A single threaded database" do
after do
Sequel.single_threaded = false
end
it "should use a SingleConnectionPool instead of a ConnectionPool" do
db = Sequel::Database.new(:single_threaded => true){123}
db.pool.must_be_kind_of(Sequel::SingleConnectionPool)
end
it "should be constructable using :single_threaded => true option" do
db = Sequel::Database.new(:single_threaded => true){123}
db.pool.must_be_kind_of(Sequel::SingleConnectionPool)
end
it "should be constructable using Sequel.single_threaded = true" do
Sequel.single_threaded = true
Sequel.single_threaded.must_equal true
db = Sequel::Database.new{123}
db.pool.must_be_kind_of(Sequel::SingleConnectionPool)
end
end
describe "A single threaded database" do
before do
conn = 1234567
@db = Sequel::Database.new(:single_threaded => true)
@db.define_singleton_method(:connect) do |c|
conn += 1
end
end
it "should invoke connection_proc only once" do
@db.pool.hold {|c| c.must_equal 1234568}
@db.pool.hold {|c| c.must_equal 1234568}
end
it "should disconnect correctly" do
def @db.disconnect_connection(c); @dc = c end
def @db.dc; @dc end
x = nil
@db.pool.hold{|c| x = c}
@db.pool.hold{|c| c.must_equal x}
@db.disconnect
@db.dc.must_equal x
end
it "should convert an Exception on connection into a DatabaseConnectionError" do
db = Class.new(Sequel::Database){def connect(*) raise Exception end}.new(:single_threaded => true, :servers=>{}, :test=>false)
proc {db.pool.hold {|c|}}.must_raise(Sequel::DatabaseConnectionError)
end
it "should not convert an DatabaseConnectionError on connection into a DatabaseConnectionError" do
e = Sequel::DatabaseConnectionError.new
db = Class.new(Sequel::Database){define_method(:connect){|*| raise e}}.new(:single_threaded => true, :servers=>{}, :test=>false)
(db.pool.hold {|c|} rescue $!).must_be_same_as e
end
it "should raise a DatabaseConnectionError if the connection proc returns nil" do
db = Class.new(Sequel::Database){def connect(*) end}.new(:single_threaded => true, :servers=>{}, :test=>false)
proc {db.pool.hold {|c|}}.must_raise(Sequel::DatabaseConnectionError)
end
end
describe "A database" do
after do
Sequel.single_threaded = false
end
it "should have single_threaded? respond to true if in single threaded mode" do
db = Sequel::Database.new(:single_threaded => true){1234}
db.must_be :single_threaded?
db = Sequel::Database.new(:max_options => 1)
db.wont_be :single_threaded?
db = Sequel::Database.new
db.wont_be :single_threaded?
Sequel.single_threaded = true
db = Sequel::Database.new{123}
db.must_be :single_threaded?
db = Sequel::Database.new(:max_options => 4){123}
db.must_be :single_threaded?
end
it "should be able to set loggers via the logger= and loggers= methods" do
db = Sequel::Database.new
s = "I'm a logger"
db.logger = s
db.loggers.must_equal [s]
db.logger = nil
db.loggers.must_equal []
db.loggers = [s]
db.loggers.must_equal [s]
db.loggers = []
db.loggers.must_equal []
t = "I'm also a logger"
db.loggers = [s, t]
db.loggers.must_equal [s,t]
end
end
describe "Database#fetch" do
before do
@db = Sequel.mock(:fetch=>proc{|sql| {:sql => sql}})
end
it "should create a dataset and invoke its fetch_rows method with the given sql" do
sql = nil
@db.fetch('select * from xyz') {|r| sql = r[:sql]}
sql.must_equal 'select * from xyz'
end
it "should format the given sql with any additional arguments" do
sql = nil
@db.fetch('select * from xyz where x = ? and y = ?', 15, 'abc') {|r| sql = r[:sql]}
sql.must_equal "select * from xyz where x = 15 and y = 'abc'"
@db.fetch('select name from table where name = ? or id in ?', 'aman', [3,4,7]) {|r| sql = r[:sql]}
sql.must_equal "select name from table where name = 'aman' or id in (3, 4, 7)"
end
it "should format the given sql with named arguments" do
sql = nil
@db.fetch('select * from xyz where x = :x and y = :y', :x=>15, :y=>'abc') {|r| sql = r[:sql]}
sql.must_equal "select * from xyz where x = 15 and y = 'abc'"
end
it "should return the dataset if no block is given" do
@db.fetch('select * from xyz').must_be_kind_of(Sequel::Dataset)
@db.fetch('select a from b').map {|r| r[:sql]}.must_equal ['select a from b']
@db.fetch('select c from d').inject([]) {|m, r| m << r; m}.must_equal \
[{:sql => 'select c from d'}]
end
it "should return a dataset that always uses the given sql for SELECTs" do
ds = @db.fetch('select * from xyz')
ds.select_sql.must_equal 'select * from xyz'
ds.sql.must_equal 'select * from xyz'
ds = ds.where{price.sql_number < 100}
ds.select_sql.must_equal 'select * from xyz'
ds.sql.must_equal 'select * from xyz'
end
end
describe "Database#[]" do
before do
@db = Sequel.mock
end
it "should return a dataset when symbols are given" do
ds = @db[:items]
ds.must_be_kind_of(Sequel::Dataset)
ds.opts[:from].must_equal [:items]
end
it "should return a dataset when a string is given" do
@db.fetch = proc{|sql| {:sql=>sql}}
sql = nil
@db['select * from xyz where x = ? and y = ?', 15, 'abc'].each {|r| sql = r[:sql]}
sql.must_equal "select * from xyz where x = 15 and y = 'abc'"
end
end
describe "Database#inspect" do
it "should include the class name and the connection url" do
Sequel.connect('mock://foo/bar').inspect.must_equal '#<Sequel::Mock::Database: "mock://foo/bar">'
end
it "should include the class name and the connection options if an options hash was given" do
Sequel.connect(:adapter=>:mock).inspect.must_equal '#<Sequel::Mock::Database: {:adapter=>:mock}>'
end
it "should include the class name, uri, and connection options if uri and options hash was given" do
Sequel.connect('mock://foo', :database=>'bar').inspect.must_equal '#<Sequel::Mock::Database: "mock://foo" {:database=>"bar"}>'
end
end
describe "Database#get" do
before do
@db = Sequel.mock(:fetch=>{:a=>1})
end
it "should use Dataset#get to get a single value" do
@db.get(:a).must_equal 1
@db.sqls.must_equal ['SELECT a LIMIT 1']
@db.get(Sequel.function(:version).as(:version))
@db.sqls.must_equal ['SELECT version() AS version LIMIT 1']
end
it "should accept a block" do
@db.get{a}
@db.sqls.must_equal ['SELECT a LIMIT 1']
@db.get{version(a).as(version)}
@db.sqls.must_equal ['SELECT version(a) AS version LIMIT 1']
end
it "should work when an alias cannot be determined" do
@db.get(1).must_equal 1
@db.sqls.must_equal ['SELECT 1 AS v LIMIT 1']
end
end
describe "Database#call" do
it "should call the prepared statement with the given name" do
db = Sequel.mock(:fetch=>{:id => 1, :x => 1})
db[:items].prepare(:select, :select_all)
db.call(:select_all).must_equal [{:id => 1, :x => 1}]
db[:items].filter(:n=>:$n).prepare(:select, :select_n)
db.call(:select_n, :n=>1).must_equal [{:id => 1, :x => 1}]
db.sqls.must_equal ['SELECT * FROM items', 'SELECT * FROM items WHERE (n = 1)']
end
end
describe "Database#server_opts" do
it "should return the general opts if no :servers option is used" do
opts = {:host=>1, :database=>2}
Sequel::Database.new(opts).send(:server_opts, :server1)[:host].must_equal 1
end
it "should return the general opts if entry for the server is present in the :servers option" do
opts = {:host=>1, :database=>2, :servers=>{}}
Sequel::Database.new(opts).send(:server_opts, :server1)[:host].must_equal 1
end
it "should return the general opts merged with the specific opts if given as a hash" do
opts = {:host=>1, :database=>2, :servers=>{:server1=>{:host=>3}}}
Sequel::Database.new(opts).send(:server_opts, :server1)[:host].must_equal 3
end
it "should return the sgeneral opts merged with the specific opts if given as a proc" do
opts = {:host=>1, :database=>2, :servers=>{:server1=>proc{|db| {:host=>4}}}}
Sequel::Database.new(opts).send(:server_opts, :server1)[:host].must_equal 4
end
it "should raise an error if the specific opts is not a proc or hash" do
opts = {:host=>1, :database=>2, :servers=>{:server1=>2}}
proc{Sequel::Database.new(opts).send(:server_opts, :server1)}.must_raise(Sequel::Error)
end
it "should return the general opts merged with given opts if given opts is a Hash" do
opts = {:host=>1, :database=>2}
Sequel::Database.new(opts).send(:server_opts, :host=>2)[:host].must_equal 2
end
end
describe "Database#add_servers" do
before do
@db = Sequel.mock(:host=>1, :database=>2, :servers=>{:server1=>{:host=>3}})
end
it "should add new servers to the connection pool" do
@db.synchronize{|c| c.opts[:host].must_equal 1}
@db.synchronize(:server1){|c| c.opts[:host].must_equal 3}
@db.synchronize(:server2){|c| c.opts[:host].must_equal 1}
@db.add_servers(:server2=>{:host=>6})
@db.synchronize{|c| c.opts[:host].must_equal 1}
@db.synchronize(:server1){|c| c.opts[:host].must_equal 3}
@db.synchronize(:server2){|c| c.opts[:host].must_equal 6}
@db.disconnect
@db.synchronize{|c| c.opts[:host].must_equal 1}
@db.synchronize(:server1){|c| c.opts[:host].must_equal 3}
@db.synchronize(:server2){|c| c.opts[:host].must_equal 6}
end
it "should replace options for future connections to existing servers" do
@db.synchronize{|c| c.opts[:host].must_equal 1}
@db.synchronize(:server1){|c| c.opts[:host].must_equal 3}
@db.synchronize(:server2){|c| c.opts[:host].must_equal 1}
@db.add_servers(:default=>proc{{:host=>4}}, :server1=>{:host=>8})
@db.synchronize{|c| c.opts[:host].must_equal 1}
@db.synchronize(:server1){|c| c.opts[:host].must_equal 3}
@db.synchronize(:server2){|c| c.opts[:host].must_equal 1}
@db.disconnect
@db.synchronize{|c| c.opts[:host].must_equal 4}
@db.synchronize(:server1){|c| c.opts[:host].must_equal 8}
@db.synchronize(:server2){|c| c.opts[:host].must_equal 4}
end
it "should raise error for unsharded pool" do
proc{Sequel.mock.add_servers(:server1=>{})}.must_raise Sequel::Error
end
end
describe "Database#remove_servers" do
before do
@db = Sequel.mock(:host=>1, :database=>2, :servers=>{:server1=>{:host=>3}, :server2=>{:host=>4}})
end
it "should remove servers from the connection pool" do
@db.synchronize{|c| c.opts[:host].must_equal 1}
@db.synchronize(:server1){|c| c.opts[:host].must_equal 3}
@db.synchronize(:server2){|c| c.opts[:host].must_equal 4}
@db.remove_servers(:server1, :server2)
@db.synchronize{|c| c.opts[:host].must_equal 1}
@db.synchronize(:server1){|c| c.opts[:host].must_equal 1}
@db.synchronize(:server2){|c| c.opts[:host].must_equal 1}
end
it "should accept arrays of symbols" do
@db.remove_servers([:server1, :server2])
@db.synchronize{|c| c.opts[:host].must_equal 1}
@db.synchronize(:server1){|c| c.opts[:host].must_equal 1}
@db.synchronize(:server2){|c| c.opts[:host].must_equal 1}
end
it "should allow removal while connections are still open" do
@db.synchronize do |c1|
c1.opts[:host].must_equal 1
@db.synchronize(:server1) do |c2|
c2.opts[:host].must_equal 3
@db.synchronize(:server2) do |c3|
c3.opts[:host].must_equal 4
@db.remove_servers(:server1, :server2)
@db.synchronize(:server1) do |c4|
c4.wont_equal c2
c4.must_equal c1
c4.opts[:host].must_equal 1
@db.synchronize(:server2) do |c5|
c5.wont_equal c3
c5.must_equal c1
c5.opts[:host].must_equal 1
end
end
c3.opts[:host].must_equal 4
end
c2.opts[:host].must_equal 3
end
c1.opts[:host].must_equal 1
end
end
it "should raise error for unsharded pool" do
proc{Sequel.mock.remove_servers(:server1)}.must_raise Sequel::Error
end
end
describe "Database#raise_error" do
before do
@db = Sequel.mock
end
it "should reraise if the exception class is not in opts[:classes]" do
e = Class.new(StandardError)
proc{@db.send(:raise_error, e.new(''), :classes=>[])}.must_raise(e)
end
it "should convert the exception to a DatabaseError if the exception class is in opts[:classes]" do
proc{@db.send(:raise_error, Interrupt.new(''), :classes=>[Interrupt])}.must_raise(Sequel::DatabaseError)
end
it "should convert the exception to a DatabaseError if opts[:classes] if not present" do
proc{@db.send(:raise_error, Interrupt.new(''))}.must_raise(Sequel::DatabaseError)
end
it "should convert the exception to a DatabaseDisconnectError if opts[:disconnect] is true" do
proc{@db.send(:raise_error, Interrupt.new(''), :disconnect=>true)}.must_raise(Sequel::DatabaseDisconnectError)
end
it "should convert the exception to an appropriate error if exception message matches regexp" do
def @db.database_error_regexps
{/foo/ => Sequel::DatabaseDisconnectError, /bar/ => Sequel::ConstraintViolation}
end
e = Class.new(StandardError)
proc{@db.send(:raise_error, e.new('foo'))}.must_raise(Sequel::DatabaseDisconnectError)
proc{@db.send(:raise_error, e.new('bar'))}.must_raise(Sequel::ConstraintViolation)
end
end
describe "Database#typecast_value" do
before do
@db = Sequel::Database.new
end
it "should raise an InvalidValue when given an invalid value" do
proc{@db.typecast_value(:integer, "13a")}.must_raise(Sequel::InvalidValue)
proc{@db.typecast_value(:float, "4.e2")}.must_raise(Sequel::InvalidValue)
proc{@db.typecast_value(:decimal, :invalid_value)}.must_raise(Sequel::InvalidValue)
proc{@db.typecast_value(:date, Object.new)}.must_raise(Sequel::InvalidValue)
proc{@db.typecast_value(:date, 'a')}.must_raise(Sequel::InvalidValue)
proc{@db.typecast_value(:time, Date.new)}.must_raise(Sequel::InvalidValue)
proc{@db.typecast_value(:datetime, 4)}.must_raise(Sequel::InvalidValue)
end
it "should raise an InvalidValue when given an invalid timezone value" do
begin
Sequel.default_timezone = :blah
proc{@db.typecast_value(:datetime, [2019, 2, 3, 4, 5, 6])}.must_raise(Sequel::InvalidValue)
Sequel.datetime_class = DateTime
proc{@db.typecast_value(:datetime, [2019, 2, 3, 4, 5, 6])}.must_raise(Sequel::InvalidValue)
ensure
Sequel.default_timezone = nil
Sequel.datetime_class = Time
end
end
it "should handle integers with leading 0 as base 10" do
@db.typecast_value(:integer, "013").must_equal 13
@db.typecast_value(:integer, "08").must_equal 8
@db.typecast_value(:integer, "000013").must_equal 13
@db.typecast_value(:integer, "000008").must_equal 8
end
it "should handle integers with leading 0x as base 16" do
@db.typecast_value(:integer, "0x013").must_equal 19
@db.typecast_value(:integer, "0x80").must_equal 128
end
it "should typecast blobs as as Sequel::SQL::Blob" do
v = @db.typecast_value(:blob, "0x013")
v.must_be_kind_of(Sequel::SQL::Blob)
v.must_equal Sequel::SQL::Blob.new("0x013")
@db.typecast_value(:blob, v).object_id.must_equal v.object_id
end
it "should typecast boolean values to true, false, or nil" do
@db.typecast_value(:boolean, false).must_equal false
@db.typecast_value(:boolean, 0).must_equal false
@db.typecast_value(:boolean, "0").must_equal false
@db.typecast_value(:boolean, 'f').must_equal false
@db.typecast_value(:boolean, 'false').must_equal false
@db.typecast_value(:boolean, true).must_equal true
@db.typecast_value(:boolean, 1).must_equal true
@db.typecast_value(:boolean, '1').must_equal true
@db.typecast_value(:boolean, 't').must_equal true
@db.typecast_value(:boolean, 'true').must_equal true
@db.typecast_value(:boolean, '').must_be_nil
end
it "should typecast date values to Date" do
@db.typecast_value(:date, Date.today).must_equal Date.today
@db.typecast_value(:date, DateTime.now).must_equal Date.today
@db.typecast_value(:date, Time.now).must_equal Date.today
@db.typecast_value(:date, Date.today.to_s).must_equal Date.today
@db.typecast_value(:date, :year=>Date.today.year, :month=>Date.today.month, :day=>Date.today.day).must_equal Date.today
end
it "should have Sequel.application_to_database_timestamp convert to Sequel.database_timezone" do
begin
t = Time.utc(2011, 1, 2, 3, 4, 5) # UTC Time
t2 = Time.mktime(2011, 1, 2, 3, 4, 5) # Local Time
t3 = Time.utc(2011, 1, 2, 3, 4, 5) - (t - t2) # Local Time in UTC Time
t4 = Time.mktime(2011, 1, 2, 3, 4, 5) + (t - t2) # UTC Time in Local Time
Sequel.application_timezone = :utc
Sequel.database_timezone = :local
Sequel.application_to_database_timestamp(t).must_equal t4
Sequel.application_timezone = :local
Sequel.database_timezone = :utc
Sequel.application_to_database_timestamp(t2).must_equal t3
ensure
Sequel.default_timezone = nil
end
end
it "should have Database#to_application_timestamp convert values using the database's timezone" do
begin
t = Time.utc(2011, 1, 2, 3, 4, 5) # UTC Time
t2 = Time.mktime(2011, 1, 2, 3, 4, 5) # Local Time
t3 = Time.utc(2011, 1, 2, 3, 4, 5) - (t - t2) # Local Time in UTC Time
t4 = Time.mktime(2011, 1, 2, 3, 4, 5) + (t - t2) # UTC Time in Local Time
Sequel.default_timezone = :utc
@db.to_application_timestamp('2011-01-02 03:04:05').must_equal t
Sequel.database_timezone = :local
@db.to_application_timestamp('2011-01-02 03:04:05').must_equal t3
Sequel.default_timezone = :local
@db.to_application_timestamp('2011-01-02 03:04:05').must_equal t2
Sequel.database_timezone = :utc
@db.to_application_timestamp('2011-01-02 03:04:05').must_equal t4
Sequel.default_timezone = :utc
@db.timezone = :local
@db.to_application_timestamp('2011-01-02 03:04:05').must_equal t3
Sequel.default_timezone = :local
@db.timezone = :utc
@db.to_application_timestamp('2011-01-02 03:04:05').must_equal t4
ensure
Sequel.default_timezone = nil
end
end
it "should typecast datetime values to Sequel.datetime_class with correct timezone handling" do
t = Time.utc(2011, 1, 2, 3, 4, 5, 500000) # UTC Time
t2 = Time.mktime(2011, 1, 2, 3, 4, 5, 500000) # Local Time
t3 = Time.utc(2011, 1, 2, 3, 4, 5, 500000) - (t - t2) # Local Time in UTC Time
t4 = Time.mktime(2011, 1, 2, 3, 4, 5, 500000) + (t - t2) # UTC Time in Local Time
secs = Rational(11, 2)
r1 = Rational(t2.utc_offset, 86400)
r2 = Rational((t - t2).to_i, 86400)
dt = DateTime.civil(2011, 1, 2, 3, 4, secs)
dt2 = DateTime.civil(2011, 1, 2, 3, 4, secs, r1)
dt3 = DateTime.civil(2011, 1, 2, 3, 4, secs) - r2
dt4 = DateTime.civil(2011, 1, 2, 3, 4, secs, r1) + r2
t.must_equal t4
t2.must_equal t3
dt.must_equal dt4
dt2.must_equal dt3
check = proc do |i, o|
v = @db.typecast_value(:datetime, i)
v.must_equal o
if o.is_a?(Time)
v.utc_offset.must_equal o.utc_offset
else
v.offset.must_equal o.offset
end
end
@db.extend_datasets(Module.new{def supports_timestamp_timezones?; true; end})
begin
@db.typecast_value(:datetime, dt).must_equal t
@db.typecast_value(:datetime, dt2).must_equal t2
@db.typecast_value(:datetime, t).must_equal t
@db.typecast_value(:datetime, t2).must_equal t2
@db.typecast_value(:datetime, @db.literal(dt)[1...-1]).must_equal t
@db.typecast_value(:datetime, dt.strftime('%F %T.%N')).must_equal t2
@db.typecast_value(:datetime, Date.civil(2011, 1, 2)).must_equal Time.mktime(2011, 1, 2, 0, 0, 0)
@db.typecast_value(:datetime, :year=>dt.year, :month=>dt.month, :day=>dt.day, :hour=>dt.hour, :minute=>dt.min, :second=>dt.sec, :nanos=>500000000).must_equal t2
Sequel.datetime_class = DateTime
@db.typecast_value(:datetime, dt).must_equal dt
@db.typecast_value(:datetime, dt2).must_equal dt2
@db.typecast_value(:datetime, t).must_equal dt
@db.typecast_value(:datetime, t2).must_equal dt2
@db.typecast_value(:datetime, @db.literal(dt)[1...-1]).must_equal dt
@db.typecast_value(:datetime, dt.strftime('%F %T.%N')).must_equal dt
@db.typecast_value(:datetime, Date.civil(2011, 1, 2)).must_equal DateTime.civil(2011, 1, 2, 0, 0, 0)
@db.typecast_value(:datetime, :year=>dt.year, :month=>dt.month, :day=>dt.day, :hour=>dt.hour, :minute=>dt.min, :second=>dt.sec, :nanos=>500000000).must_equal dt
Sequel.application_timezone = :utc
Sequel.typecast_timezone = :local
Sequel.datetime_class = Time
check[dt, t]
check[dt2, t3]
check[t, t]
check[t2, t3]
check[@db.literal(dt)[1...-1], t]
check[dt.strftime('%F %T.%N'), t3]
check[Date.civil(2011, 1, 2), Time.utc(2011, 1, 2, 0, 0, 0)]
check[{:year=>dt.year, :month=>dt.month, :day=>dt.day, :hour=>dt.hour, :minute=>dt.min, :second=>dt.sec, :nanos=>500000000}, t3]
Sequel.datetime_class = DateTime
check[dt, dt]
check[dt2, dt3]
check[t, dt]
check[t2, dt3]
check[@db.literal(dt)[1...-1], dt]
check[dt.strftime('%F %T.%N'), dt3]
check[Date.civil(2011, 1, 2), DateTime.civil(2011, 1, 2, 0, 0, 0)]
check[{:year=>dt.year, :month=>dt.month, :day=>dt.day, :hour=>dt.hour, :minute=>dt.min, :second=>dt.sec, :nanos=>500000000}, dt3]
Sequel.typecast_timezone = :utc
Sequel.datetime_class = Time
check[dt, t]
check[dt2, t3]
check[t, t]
check[t2, t3]
check[@db.literal(dt)[1...-1], t]
check[dt.strftime('%F %T.%N'), t]
check[Date.civil(2011, 1, 2), Time.utc(2011, 1, 2, 0, 0, 0)]
check[{:year=>dt.year, :month=>dt.month, :day=>dt.day, :hour=>dt.hour, :minute=>dt.min, :second=>dt.sec, :nanos=>500000000}, t]
Sequel.datetime_class = DateTime
check[dt, dt]
check[dt2, dt3]
check[t, dt]
check[t2, dt3]
check[@db.literal(dt)[1...-1], dt]
check[dt.strftime('%F %T.%N'), dt]
check[Date.civil(2011, 1, 2), DateTime.civil(2011, 1, 2, 0, 0, 0)]
check[{:year=>dt.year, :month=>dt.month, :day=>dt.day, :hour=>dt.hour, :minute=>dt.min, :second=>dt.sec, :nanos=>500000000}, dt]
Sequel.application_timezone = :local
Sequel.datetime_class = Time
check[dt, t4]
check[dt2, t2]
check[t, t4]
check[t2, t2]
check[@db.literal(dt)[1...-1], t4]
check[dt.strftime('%F %T.%N'), t4]
check[Date.civil(2011, 1, 2), Time.local(2011, 1, 2, 0, 0, 0)]
check[{:year=>dt.year, :month=>dt.month, :day=>dt.day, :hour=>dt.hour, :minute=>dt.min, :second=>dt.sec, :nanos=>500000000}, t4]
Sequel.datetime_class = DateTime
check[dt, dt4]
check[dt2, dt2]
check[t, dt4]
check[t2, dt2]
check[@db.literal(dt)[1...-1], dt4]
check[dt.strftime('%F %T.%N'), dt4]
check[Date.civil(2011, 1, 2), DateTime.civil(2011, 1, 2, 0, 0, 0, r1)]
check[{:year=>dt.year, :month=>dt.month, :day=>dt.day, :hour=>dt.hour, :minute=>dt.min, :second=>dt.sec, :nanos=>500000000}, dt4]
Sequel.typecast_timezone = :local
Sequel.datetime_class = Time
check[dt, t4]
check[dt2, t2]
check[t, t4]
check[t2, t2]
check[@db.literal(dt)[1...-1], t4]
check[dt.strftime('%F %T.%N'), t2]
check[Date.civil(2011, 1, 2), Time.local(2011, 1, 2, 0, 0, 0)]
check[{:year=>dt.year, :month=>dt.month, :day=>dt.day, :hour=>dt.hour, :minute=>dt.min, :second=>dt.sec, :nanos=>500000000}, t2]
Sequel.datetime_class = DateTime
check[dt, dt4]
check[dt2, dt2]
check[t, dt4]
check[t2, dt2]
check[@db.literal(dt)[1...-1], dt4]
check[dt.strftime('%F %T.%N'), dt2]
check[Date.civil(2011, 1, 2), DateTime.civil(2011, 1, 2, 0, 0, 0, r1)]
check[{:year=>dt.year, :month=>dt.month, :day=>dt.day, :hour=>dt.hour, :minute=>dt.min, :second=>dt.sec, :nanos=>500000000}, dt2]
ensure
Sequel.default_timezone = nil
Sequel.datetime_class = Time
end
end
it "should handle arrays when typecasting timestamps" do
begin
@db.typecast_value(:datetime, [2011, 10, 11, 12, 13, 14]).must_equal Time.local(2011, 10, 11, 12, 13, 14)
@db.typecast_value(:datetime, [2011, 10, 11, 12, 13, 14, 500000000]).must_equal Time.local(2011, 10, 11, 12, 13, 14, 500000)
@db.typecast_value(:datetime, [2011, 10, 11, 12, 13, 14, 500000000, Rational(1, 2)]).must_equal Time.parse('2011-10-11 12:13:14.5+12:00')
@db.typecast_value(:datetime, [2011, 10, 11, 12, 13, 14, nil, Rational(1, 2)]).must_equal Time.parse('2011-10-11 12:13:14+12:00')
Sequel.datetime_class = DateTime
@db.typecast_value(:datetime, [2011, 10, 11, 12, 13, 14]).must_equal DateTime.civil(2011, 10, 11, 12, 13, 14)
@db.typecast_value(:datetime, [2011, 10, 11, 12, 13, 14, 500000000]).must_equal DateTime.civil(2011, 10, 11, 12, 13, Rational(29, 2))
@db.typecast_value(:datetime, [2011, 10, 11, 12, 13, 14, 500000000, Rational(1, 2)]).must_equal DateTime.civil(2011, 10, 11, 12, 13, Rational(29, 2), Rational(1, 2))
ensure
Sequel.datetime_class = Time
end
end
it "should handle hashes when typecasting timestamps" do
begin
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14).must_equal Time.local(2011, 10, 11, 12, 13, 14)
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14, :nanos=>500000000).must_equal Time.local(2011, 10, 11, 12, 13, 14, 500000)
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14).must_equal Time.local(2011, 10, 11, 12, 13, 14)
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14, 'nanos'=>500000000).must_equal Time.local(2011, 10, 11, 12, 13, 14, 500000)
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14, :offset=>Rational(1, 2)).must_equal Time.new(2011, 10, 11, 12, 13, 14, 43200)
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14, :nanos=>500000000, :offset=>Rational(1, 2)).must_equal Time.new(2011, 10, 11, 12, 13, 14.5, 43200)
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14, 'offset'=>Rational(1, 2)).must_equal Time.new(2011, 10, 11, 12, 13, 14, 43200)
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14, 'nanos'=>500000000, 'offset'=>Rational(1, 2)).must_equal Time.new(2011, 10, 11, 12, 13, 14.5, 43200)
Sequel.default_timezone = :foo
proc{@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14, 'nanos'=>500000000)}.must_raise Sequel::InvalidValue
Sequel.default_timezone = :utc
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14).must_equal Time.utc(2011, 10, 11, 12, 13, 14)
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14, :nanos=>500000000).must_equal Time.utc(2011, 10, 11, 12, 13, 14, 500000)
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14).must_equal Time.utc(2011, 10, 11, 12, 13, 14)
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14, 'nanos'=>500000000).must_equal Time.utc(2011, 10, 11, 12, 13, 14, 500000)
Sequel.datetime_class = DateTime
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14).must_equal DateTime.civil(2011, 10, 11, 12, 13, 14)
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14, :nanos=>500000000).must_equal DateTime.civil(2011, 10, 11, 12, 13, Rational(29, 2))
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14).must_equal DateTime.civil(2011, 10, 11, 12, 13, 14)
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14, 'nanos'=>500000000).must_equal DateTime.civil(2011, 10, 11, 12, 13, Rational(29, 2))
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14, :offset=>Rational(1, 2)).must_equal DateTime.civil(2011, 10, 11, 12, 13, 14, Rational(1, 2))
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14, :nanos=>500000000, :offset=>Rational(1, 2)).must_equal DateTime.civil(2011, 10, 11, 12, 13, Rational(29, 2), Rational(1, 2))
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14, 'offset'=>Rational(1, 2)).must_equal DateTime.civil(2011, 10, 11, 12, 13, 14, Rational(1, 2))
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14, 'nanos'=>500000000, 'offset'=>Rational(1, 2)).must_equal DateTime.civil(2011, 10, 11, 12, 13, Rational(29, 2), Rational(1, 2))
Sequel.default_timezone = :local
offset = Rational(Time.local(2011, 10, 11, 12, 13, 14).utc_offset, 86400)
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14).must_equal DateTime.civil(2011, 10, 11, 12, 13, 14, offset)
@db.typecast_value(:datetime, :year=>2011, :month=>10, :day=>11, :hour=>12, :minute=>13, :second=>14, :nanos=>500000000).must_equal DateTime.civil(2011, 10, 11, 12, 13, Rational(29, 2), offset)
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14).must_equal DateTime.civil(2011, 10, 11, 12, 13, 14, offset)
@db.typecast_value(:datetime, 'year'=>2011, 'month'=>10, 'day'=>11, 'hour'=>12, 'minute'=>13, 'second'=>14, 'nanos'=>500000000).must_equal DateTime.civil(2011, 10, 11, 12, 13, Rational(29, 2), offset)
ensure
Sequel.datetime_class = Time
Sequel.default_timezone = nil
end
end
it "should typecast decimal values to BigDecimal" do
[1.0, 1, '1.0', BigDecimal('1.0')].each do |i|
v = @db.typecast_value(:decimal, i)
v.must_be_kind_of(BigDecimal)
v.must_equal BigDecimal('1.0')
end
end
it "should typecast float values to Float" do
[1.0, 1, '1.0', BigDecimal('1.0')].each do |i|
v = @db.typecast_value(:float, i)
v.must_be_kind_of(Float)
v.must_equal 1.0
end
end
it "should typecast string values to String" do
[1.0, '1.0', Sequel.blob('1.0')].each do |i|
v = @db.typecast_value(:string, i)
v.must_be_instance_of(String)
v.must_equal "1.0"
end
end
it "should raise errors when typecasting hash and array values to String" do
[[], {}].each do |i|
proc{@db.typecast_value(:string, i)}.must_raise(Sequel::InvalidValue)
end
end
it "should typecast time values to SQLTime" do
t = Time.now
st = Sequel::SQLTime.local(t.year, t.month, t.day, 1, 2, 3)
[st, Time.utc(t.year, t.month, t.day, 1, 2, 3), Time.local(t.year, t.month, t.day, 1, 2, 3), '01:02:03', {:hour=>1, :minute=>2, :second=>3}].each do |i|
v = @db.typecast_value(:time, i)
v.must_be_instance_of(Sequel::SQLTime)
v.must_equal st
end
end
it "should correctly handle time value conversion to SQLTime with fractional seconds" do
t = Time.now
st = Sequel::SQLTime.local(t.year, t.month, t.day, 1, 2, 3, 500000)
t = Time.local(t.year, t.month, t.day, 1, 2, 3, 500000)
@db.typecast_value(:time, t).must_equal st
end
it "should have an underlying exception class available at wrapped_exception" do
begin
@db.typecast_value(:date, 'a')
true.must_equal false
rescue Sequel::InvalidValue => e
e.wrapped_exception.must_be_kind_of(ArgumentError)
end
end
it "should have an underlying exception class available at cause" do
begin
@db.typecast_value(:date, 'a')
true.must_equal false
rescue Sequel::InvalidValue => e
e.cause.must_be_kind_of(ArgumentError)
end
end if RUBY_VERSION >= '2.1'
it "should have an underlying exception class available at cause when using nested exceptions" do
begin
begin
raise ArgumentError
rescue => e1
begin
raise RuntimeError
rescue
@db.send(:raise_error, e1)
end
end
rescue Sequel::DatabaseError => e
e.cause.must_be_kind_of(ArgumentError)
end
end if RUBY_VERSION >= '2.1'
it "should include underlying exception class in #inspect" do
begin
@db.typecast_value(:date, 'a')
true.must_equal false
rescue Sequel::InvalidValue => e
e.inspect.must_match(/\A#\<Sequel::InvalidValue: (Argument|Date::)Error: invalid date\>\z/)
end
end
end
describe "Database#blank_object?" do
it "should return whether the object is considered blank" do
db = Sequel::Database.new
c = lambda{|meth, value| Class.new{define_method(meth){value}}.new}
db.send(:blank_object?, "").must_equal true
db.send(:blank_object?, " ").must_equal true
db.send(:blank_object?, nil).must_equal true
db.send(:blank_object?, false).must_equal true
db.send(:blank_object?, []).must_equal true
db.send(:blank_object?, {}).must_equal true
db.send(:blank_object?, c[:empty?, true]).must_equal true
db.send(:blank_object?, c[:blank?, true]).must_equal true
db.send(:blank_object?, c[:foo, true]).must_equal false
db.send(:blank_object?, " a ").must_equal false
db.send(:blank_object?, 1).must_equal false
db.send(:blank_object?, 1.0).must_equal false
db.send(:blank_object?, true).must_equal false
db.send(:blank_object?, [1]).must_equal false
db.send(:blank_object?, {1.0=>2.0}).must_equal false
db.send(:blank_object?, c[:empty?, false]).must_equal false
db.send(:blank_object?, c[:blank?, false]).must_equal false
end
end
describe "Database#schema_autoincrementing_primary_key?" do
it "should indicate whether the parsed schema row indicates a primary key" do
m = Sequel::Database.new.method(:schema_autoincrementing_primary_key?)
m.call(:primary_key=>true, :auto_increment=>true).must_equal true
m.call(:primary_key=>true, :auto_increment=>false).must_equal false
m.call(:primary_key=>false).must_equal false
end
end
describe "Database#supports_schema_parsing?" do
it "should be false by default" do
Sequel::Database.new.supports_schema_parsing?.must_equal false
end
it "should be true if the database implements schema_parse_table" do
db = Sequel::Database.new
def db.schema_parse_table(*) end
db.supports_schema_parsing?.must_equal true
end
end
describe "Database#supports_foreign_key_parsing?" do
it "should be false by default" do
Sequel::Database.new.supports_foreign_key_parsing?.must_equal false
end
it "should be true if the database implements foreign_key_list" do
db = Sequel::Database.new
def db.foreign_key_list(*) end
db.supports_foreign_key_parsing?.must_equal true
end
end
describe "Database#supports_index_parsing?" do
it "should be false by default" do
Sequel::Database.new.supports_index_parsing?.must_equal false
end
it "should be true if the database implements indexes" do
db = Sequel::Database.new
def db.indexes(*) end
db.supports_index_parsing?.must_equal true
end
end
describe "Database#supports_table_listing?" do
it "should be false by default" do
Sequel::Database.new.supports_table_listing?.must_equal false
end
it "should be true if the database implements tables" do
db = Sequel::Database.new
def db.tables(*) end
db.supports_table_listing?.must_equal true
end
end
describe "Database#supports_view_listing?" do
it "should be false by default" do
Sequel::Database.new.supports_view_listing?.must_equal false
end
it "should be true if the database implements views" do
db = Sequel::Database.new
def db.views(*) end
db.supports_view_listing?.must_equal true
end
end
describe "Database#supports_deferrable_constraints?" do
it "should be false by default" do
Sequel::Database.new.supports_deferrable_constraints?.must_equal false
end
end
describe "Database#supports_deferrable_foreign_key_constraints?" do
it "should be false by default" do
Sequel::Database.new.supports_deferrable_foreign_key_constraints?.must_equal false
end
end
describe "Database#supports_transactional_ddl?" do
it "should be false by default" do
Sequel::Database.new.supports_transactional_ddl?.must_equal false
end
end
describe "Database#global_index_namespace?" do
it "should be true by default" do
Sequel::Database.new.global_index_namespace?.must_equal true
end
end
describe "Database#supports_savepoints?" do
it "should be false by default" do
Sequel::Database.new.supports_savepoints?.must_equal false
end
end
describe "Database#supports_views_with_check_option?" do
it "should be false by default" do
Sequel::Database.new.supports_views_with_check_option?.must_equal false
end
end
describe "Database#supports_views_with_local_check_option?" do
it "should be false by default" do
Sequel::Database.new.supports_views_with_local_check_option?.must_equal false
end
end
describe "Database#supports_savepoints_in_prepared_transactions?" do
it "should be false by default" do
Sequel::Database.new.supports_savepoints_in_prepared_transactions?.must_equal false
end
it "should be true if both savepoints and prepared transactions are supported" do
db = Sequel::Database.new
db.define_singleton_method(:supports_savepoints?){true}
db.define_singleton_method(:supports_prepared_transactions?){true}
db.supports_savepoints_in_prepared_transactions?.must_equal true
end
end
describe "Database#supports_prepared_transactions?" do
it "should be false by default" do
Sequel::Database.new.supports_prepared_transactions?.must_equal false
end
end
describe "Database#supports_transaction_isolation_levels?" do
it "should be false by default" do
Sequel::Database.new.supports_transaction_isolation_levels?.must_equal false
end
end
describe "Database#column_schema_to_ruby_default" do
it "should handle converting many default formats" do
db = Sequel::Database.new
p = lambda{|d,t| db.send(:column_schema_to_ruby_default, d, t)}
p['any', :unknown].must_be_nil
p[nil, :integer].must_be_nil
p[1, :integer].must_equal 1
p['1', :integer].must_equal 1
p['-1', :integer].must_equal(-1)
p[1.0, :float].must_equal 1.0
p['1.0', :float].must_equal 1.0
p['-1.0', :float].must_equal(-1.0)
p['1.0', :decimal].must_equal BigDecimal('1.0')
p['-1.0', :decimal].must_equal BigDecimal('-1.0')
p[true, :boolean].must_equal true
p[false, :boolean].must_equal false
p['1', :boolean].must_equal true
p['0', :boolean].must_equal false
p['true', :boolean].must_equal true
p['false', :boolean].must_equal false
p["'t'", :boolean].must_equal true
p["'f'", :boolean].must_equal false
p["'x'", :boolean].must_be_nil
p["'a'", :string].must_equal 'a'
p["'a'", :blob].must_equal Sequel.blob('a')
p["'a'", :blob].must_be_kind_of(Sequel::SQL::Blob)
p["''", :string].must_equal ''
p["'\\a''b'", :string].must_equal "\\a'b"
p["a", :string].must_be_nil
p["'NULL'", :string].must_equal "NULL"
p[Date.today, :date].must_equal Date.today
p["'2009-10-29'", :date].must_equal Date.new(2009,10,29)
p["CURRENT_TIMESTAMP", :date].must_equal Sequel::CURRENT_DATE
p["CURRENT_DATE", :date].must_equal Sequel::CURRENT_DATE
p["now()", :date].must_equal Sequel::CURRENT_DATE
p["getdate()", :date].must_equal Sequel::CURRENT_DATE
p["CURRENT_TIMESTAMP", :datetime].must_equal Sequel::CURRENT_TIMESTAMP
p["CURRENT_DATE", :datetime].must_equal Sequel::CURRENT_TIMESTAMP
p["now()", :datetime].must_equal Sequel::CURRENT_TIMESTAMP
p["getdate()", :datetime].must_equal Sequel::CURRENT_TIMESTAMP
p["'2009-10-29T10:20:30-07:00'", :datetime].must_equal DateTime.parse('2009-10-29T10:20:30-07:00')
p["'2009-10-29 10:20:30'", :datetime].must_equal DateTime.parse('2009-10-29 10:20:30')
p["'10:20:30'", :time].must_equal Time.parse('10:20:30')
p["NaN", :float].must_be_nil
db = Sequel.mock(:host=>'postgres')
p["''::text", :string].must_equal ""
p["'\\a''b'::character varying", :string].must_equal "\\a'b"
p["'a'::bpchar", :string].must_equal "a"
p["(-1)", :integer].must_equal(-1)
p["(-1.0)", :float].must_equal(-1.0)
p['(-1.0)', :decimal].must_equal BigDecimal('-1.0')
p["'a'::bytea", :blob].must_equal Sequel.blob('a')
p["'a'::bytea", :blob].must_be_kind_of(Sequel::SQL::Blob)
p["'2009-10-29'::date", :date].must_equal Date.new(2009,10,29)
p["'2009-10-29 10:20:30.241343'::timestamp without time zone", :datetime].must_equal DateTime.parse('2009-10-29 10:20:30.241343')
p["'10:20:30'::time without time zone", :time].must_equal Time.parse('10:20:30')
db = Sequel.mock(:host=>'mysql')
p["\\a'b", :string].must_equal "\\a'b"
p["a", :string].must_equal "a"
p["NULL", :string].must_equal "NULL"
p["-1", :float].must_equal(-1.0)
p['-1', :decimal].must_equal BigDecimal('-1.0')
p["2009-10-29", :date].must_equal Date.new(2009,10,29)
p["2009-10-29 10:20:30", :datetime].must_equal DateTime.parse('2009-10-29 10:20:30')
p["10:20:30", :time].must_equal Time.parse('10:20:30')
p["a", :enum].must_equal "a"
p["a,b", :set].must_equal "a,b"
db = Sequel.mock(:host=>'mssql')
p["(N'a')", :string].must_equal "a"
p["((-12))", :integer].must_equal(-12)
p["((12.1))", :float].must_equal 12.1
p["((-12.1))", :decimal].must_equal BigDecimal('-12.1')
end
end
describe "Database extensions" do
before(:all) do
class << Sequel
def extension(*)
end
end
end
after(:all) do
class << Sequel
remove_method :extension
end
end
before do
@db = Sequel.mock
end
after do
Sequel::Database.instance_variable_set(:@initialize_hook, proc{|db| })
end
it "should be able to register an extension with a module have Database#extension extend the module" do
Sequel::Database.register_extension(:foo, Module.new{def a; 1; end})
@db.extension(:foo).a.must_equal 1
end
it "should not call the block multiple times if extension loaded more than once" do
@db.opts[:foo] = []
Sequel::Database.register_extension(:foo){|db| db.opts[:foo] << 1}
@db.extension(:foo).opts[:foo].must_equal [1]
@db.extension(:foo).opts[:foo].must_equal [1]
end
it "should be able to register an extension with a block and have Database#extension call the block" do
Sequel::Database.register_extension(:foo){|db| db.opts[:foo] = 1}
@db.extension(:foo).opts[:foo].must_equal 1
end
it "should be able to register an extension with a callable and Database#extension call the callable" do
Sequel::Database.register_extension(:foo, proc{|db| db.opts[:foo] = 1})
@db.extension(:foo).opts[:foo].must_equal 1
end
it "should be able to load multiple extensions in the same call" do
a = []
Sequel::Database.register_extension(:foo, proc{|db| a << db.opts[:foo] = 1})
Sequel::Database.register_extension(:bar, proc{|db| a << db.opts[:bar] = 2})
@db.extension(:foo, :bar).opts.values_at(:foo, :bar).must_equal [1, 2]
a.must_equal [1, 2]
end
it "should return the receiver" do
Sequel::Database.register_extension(:foo, Module.new{def a; 1; end})
@db.extension(:foo).must_be_same_as(@db)
end
it "should raise an Error if registering with both a module and a block" do
proc{Sequel::Database.register_extension(:foo, Module.new){}}.must_raise(Sequel::Error)
end
it "should raise an Error if attempting to load an incompatible extension" do
proc{@db.extension(:foo2)}.must_raise(Sequel::Error)
end
it "should be able to load an extension into all future Databases with Database.extension" do
Sequel::Database.register_extension(:foo, Module.new{def a; 1; end})
Sequel::Database.register_extension(:bar, Module.new{def b; 2; end})
Sequel::Database.extension(:foo, :bar)
@db.wont_respond_to(:a)
@db.wont_respond_to(:b)
Sequel.mock.a.must_equal 1
Sequel.mock.b.must_equal 2
end
it "should be loadable via the :extensions Database option" do
Sequel::Database.register_extension(:a, Module.new{def a; 1; end})
Sequel::Database.register_extension(:b, Module.new{def b; 2; end})
Sequel.mock(:extensions=>:a).a.must_equal 1
db = Sequel.mock(:extensions=>'a,b')
db.a.must_equal 1
db.b.must_equal 2
db = Sequel.mock(:extensions=>[:a, :b])
db.a.must_equal 1
db.b.must_equal 2
proc{Sequel.mock(:extensions=>nil).a}.must_raise NoMethodError
proc{Sequel.mock(:extensions=>Object.new)}.must_raise Sequel::Error
end
it "should support :preconnect_extensions Database option to load extensions before :preconnect" do
x = []
Sequel::Database.register_extension(:a, Module.new{define_singleton_method(:extended){|_| x << :a}})
Sequel::Database.register_extension(:b, Module.new{define_singleton_method(:extended){|_| x << :b}})
m = Mutex.new
c = Class.new(Sequel::Database) do
def dataset_class_default; Sequel::Dataset end
define_method(:connect) do |_|
m.synchronize{x << :c}
:connect
end
end
db = c.new(:max_connections=>2, :preconnect=>true, :preconnect_extensions=>:a, :extensions=>:b)
db.pool.size.must_equal db.pool.max_size
x.must_equal [:a, :c, :c, :b]
x.clear
db = c.new(:max_connections=>3, :preconnect=>:concurrently, :preconnect_extensions=>:b, :extensions=>:a)
x.must_equal [:b, :c, :c, :c, :a]
db.pool.size.must_equal db.pool.max_size
end
end
describe "Database specific exception classes" do
before do
@db = Sequel.mock
class << @db
attr_accessor :sql_state
def database_exception_sqlstate(exception, opts={})
@sql_state
end
end
end
it "should use appropriate exception classes for given SQL states" do
@db.fetch = ArgumentError
@db.sql_state = '23502'
proc{@db.get(:a)}.must_raise(Sequel::NotNullConstraintViolation)
@db.sql_state = '23503'
proc{@db.get(:a)}.must_raise(Sequel::ForeignKeyConstraintViolation)
@db.sql_state = '23505'
proc{@db.get(:a)}.must_raise(Sequel::UniqueConstraintViolation)
@db.sql_state = '23513'
proc{@db.get(:a)}.must_raise(Sequel::CheckConstraintViolation)
@db.sql_state = '40001'
proc{@db.get(:a)}.must_raise(Sequel::SerializationFailure)
@db.sql_state = '41245'
proc{@db.get(:a)}.must_raise(Sequel::DatabaseError)
def @db.database_specific_error_class_from_sqlstate(_) end
(@db.get(:a) rescue $!.class).must_equal(Sequel::DatabaseError)
@db.sql_state = nil
(@db.get(:a) rescue $!.class).must_equal(Sequel::DatabaseError)
end
end
describe "Database.after_initialize" do
after do
Sequel::Database.instance_variable_set(:@initialize_hook, proc{|db| })
end
it "should allow a block to be run after each new instance is created" do
Sequel::Database.after_initialize{|db| db.sql_log_level = :debug }
db = Sequel.mock
db.sql_log_level.must_equal :debug
end
it "should allow multiple hooks to be registered" do
Sequel::Database.after_initialize{|db| db.sql_log_level = :debug }
Sequel::Database.after_initialize{|db| db.loggers << 11 }
db = Sequel.mock
db.sql_log_level.must_equal :debug
db.loggers.must_include(11)
end
it "should raise an error if registration is called without a block" do
proc {
Sequel::Database.after_initialize
}.must_raise(Sequel::Error, /must provide block/i)
end
end
describe "Database#schema_type_class" do
it "should return the class or array of classes for the given type symbol" do
db = Sequel.mock
{:string=>String, :integer=>Integer, :date=>Date, :datetime=>[Time, DateTime],
:time=>Sequel::SQLTime, :boolean=>[TrueClass, FalseClass], :float=>Float, :decimal=>BigDecimal,
:blob=>Sequel::SQL::Blob}.each do |sym, klass|
db.schema_type_class(sym).must_equal klass
end
end
end
describe "Database#execute_{dui,ddl,insert}" do
before do
@db = Sequel::Database.new
def @db.execute(sql, opts={})
(@sqls ||= []) << sql
end
def @db.sqls
@sqls
end
end
it "should execute the SQL" do
@db.execute_dui "DELETE FROM table"
@db.execute_ddl "SET foo"
@db.execute_insert "INSERT INTO table DEFAULT VALUES"
@db.sqls.must_equal ["DELETE FROM table", "SET foo", "INSERT INTO table DEFAULT VALUES"]
end
end
describe "Dataset identifier folding" do
it "should fold to uppercase by default, as per SQL" do
Sequel::Database.new.send(:folds_unquoted_identifiers_to_uppercase?).must_equal true
end
end
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